| Reference number | Title | Date |
| PB/1/33/3/5 | Companion of Honour | 1965 |
| PB/1/33/1/6 | Nobel Prize | 1948 |
| MDA/A/15 | Correspondence of Thomas Ralph Merton | 1946-1950 |
| MDA/A/14 | Correspondence of Thomas Ralph Merton | 1941-1945 |
| IM/003075 | Merton, Sir Thomas Ralph | 1951 |
| MDA/A/16/8 | Copy letter from David Christie Martin to Thomas Ralph Merton, Treasurer, Royal Society | 29 November 1951 |
| MDA/A/16/16 | Draft extract of minute eleven, Investment Committee of the Royal Society | c May 1952 |
| MDA/A/16/50 | Copy of letter from David Christie Martin to Thomas Ralph Merton | 31 May 1956 |
| MDA/A/16/27 | Copy of letter from David Christie Martin to Thomas Ralph Merton | 31 August 1954 |
| MDA/A/16/23 | Copy letter from David Christie Martin to Thomas Ralph Merton | 9 July 1953 |
| MDA/A/16/25 | Copy letter from David Christie Martin to Thomas Ralph Merton | 26 November 1953 |
| MDA/A/12/56 | Letter from Robert Robinson to Thomas Ralph Merton, Dyson Perrins Laboratory, South Parks Road, Oxford | 18 June 1946 |
| MDA/A/16/36 | Copy letter from David Christie Martin to Thomas Merton | 10 June 1955 |
| MDA/A/16/1 | Copy letter from David Christie Martin to Thomas Ralph Merton | 21 February 1951 |
| MDA/A/16/11 | Letter from E W Playfair to Thomas Ralph Merton, Treasury Chambers, Great George Street, SW1 | 10 March 1952 |
| MDA/A/16/6 | Copy letter from David Christie Martin to Thomas Ralph Merton | 17 August 1951 |
| MDA/A/16/47 | Letter from J W Whitlock to David Christie Martin, Butterworths, Legal Medical and Scientific Publishers, 88 Kingsway, London, WC2 | 3 November 1955 |
| MDA/A/16/22 | Copy letter from David Christie Martin to Thomas Ralph Merton | 23 June 1953 |
| MDA/A/16/17 | Letter from Thomas Ralph Merton to David Christie Martin, Stubbings House, maidenhead Thicket, Berkshire | 10 May 1952 |
| MDA/A/16/26 | Letter from Thomas Ralph Merton to David Christie Martin, Stubbings House, Maidenhead Thicket | 29 March 1954 |
| MDA/A/16/37 | Letter from Thomas Ralph Merton to David Christie Martin, Stubbing house, Maidenhead Thicket | 11 June 1955 |
| MDA/A/16/10 | Copy letter from David Christie Martin to Thomas Ralph Merton | 5 March 1952 |
| MDA/A/16/72 | Minutes of a Royal Society Officers Meeting | 17 May 1956 |
| MDA/A/16/2 | Copy letter from Secretary of Royal Society to Thomas Ralph Merton | 1 June 1951 |
| MDA/A/16/38 | Letter from Thomas Ralph Merton to David Christie Martin, Stubbings House, Maidenhead Thicket, Berkshire | 16 October 1955 |
| MDA/A/16/31 | Letter from David Christie Martin to Thomas Ralph Merton, The Royal Society | 11 November 1954 |
| MDA/A/16/3 | Copy letter from David Christie Martin to Thomas Ralph Merton | 26 July 1951 |
| MDA/A/16/19 | Copy letter from David Christie Martin to Thomas Ralph Merton | 22 October 1952 |
| MDA/A/16/49 | Letter from Alexander Fleck to David Christie Martin, Imperial Chemical Industries Limited, Imperial Chemical House, Millbank, London, SW1 | 10 April 1956 |
| MDA/A/16/20 | Copy letter from David Christie Martin to Thomas Ralph Merton | 10 November 1952 |
| MDA/A/16/30 | Copy note of additional items for a Council Agenda, 14 October 1954, for Thomas Ralph Merton | 13 October 1954 |
| MDA/A/16/45 | Letter from David Christie Martin to Thomas Ralph Merton, The Royal Society, Burlington House, London, W1 | 1 November 1955 |
| MDA/A/16/14 | Letter from E W Playfair to Thomas Ralph Merton, Treasury Chambers, Great George Street, SW1 | 8 April 1952 |
| MDA/A/16/21 | Copy letter from David Christie Martin to Thomas Ralph Merton | 6 December 1952 |
| RR/23/67 | Referee's report by Arthur Schuster, on a paper 'On the distribution of intensity in broadened spectrum lines' by John William Nicholson and Thomas Ralph Merton | 1916 |
| MDA/A/16/13 | Letter from Thomas Ralph Merton to David Christie Martin, Stubbings House Maidenhead Thicket | 29 March 1952 |
| MDA/A/16/9 | Copy letter from David Christie Martin to Thomas Ralph Merton | 12 February 1951 |
| MDA/A/16/12 | Copy letter from Thomas Ralph Merton to E W Playfair | 24 March 1952 |
| MDA/A/16/15 | Copy letter from David Christie Martin to Thomas Ralph Merton | 9 May 1952 |
| MDA/A/16/74 | Letter from Thomas Ralph Merton to David Christie Martin, Stubbings House, Maidenhead Thicket, Berkshire | 20 June 1956 |
| MDA/A/16/4 | Copy letter from David Christie Martin to Thomas Ralph Merton | 27 July 1951 |
| MDA/A/16/29 | Letter from David Christie Martin to Thomas Ralph Merton, The Royal Society | 29 September 1954 |
| MDA/A/16/5 | Copy letter from David Christie Martin to Thomas Ralph Merton | 31 July 1951 |
| MDA/A/16/75 | Copy letter from David Christie Martin to Thomas Ralph Merton | 1 October 1956 |
| MDA/A/16/7 | Copy letter from Deputy Assistant Secretary of the Royal Society to Thomas Ralph Merton | 1 November 1951 |
| MDA/A/16/48 | Letter from A R Middleton Todd to Thomas Merton, 21 Campden Street, Kensington, W8 | [7 December 1955] |
| MDA/A/16/35 | Copy letter from David Christie Martin to Thomas Ralph Merton | 22 April 1955 |
| MDA/A/16/41 | Copy letter from David Christie Martin to Thomas Ralph Merton | 17 October 1955 |
| MDA/A/16/24 | Letter from E W Playfair to Thomas Ralph Merton, Treasury Chambers, Great George Street, SW1 | 20 July 1953 |
| MS/3/8 | 'Spectroscopy. Prof[essor] Merton. Mich[aelmas] term. 1923' notebook of Arthur Mourant | 1923 |
| MDA/A/16 | Correspondence of Thomas Ralph Merton | February 1951-October 1956 |
| NLB/65/718 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 12 December 1923 |
| RR/23/68 | Referee's report by William Mitchinson Hicks, on a paper 'On the distribution of intensity in broadened spectrum lines' by John William Nicholson and Thomas Ralph Merton | 1916 |
| RR/23/61 | Referee's report by Arthur Schuster, on a paper 'On phenomena relating to the spectra of hydrogen and helium' by Thomas Ralph Merton and John William Nicholson | 1916 |
| RR/19/93 | Referee's report by George Downing Liveing, on a paper 'The changes in certain absorption spectra in different solvents' by Thomas Ralph Merton | 27 April 1912 |
| RR/32/128a | Referee's report by Thomas Ralph Merton, on a paper 'Wave-lengths of additional lines in the many-lined spectrum of hydrogen' by T Tanaka | March 1925 |
| RR/33/102 | Referee's report by Thomas Ralph Merton, on a paper 'A band spectrum of tin monochloride exhibiting isotope effects' by W Jevons | November 1925 |
| RR/21/123 | Referee's report by Arthur Lapworth, on a paper 'Attempts to produce the rare gases by electric discharge' by Thomas Ralph Merton | 6 June 1914 |
| RR/27/23 | Referee's report by Thomas Ralph Merton, on a paper 'Series and other regularities in the spectrum of manganese' by Miguel A Catalan | March 1922 |
| RR/29/64 | Referee's report by Thomas Ralph Merton, on a paper 'A universal interferometer' by Alfred Edwin Howard Tutton | May 1923 |
| RR/31/84 | Referee's report by Thomas Ralph Merton, on a paper 'The spark-spectra of indium and gallium in the extreme ultra-violet region' by Mollie Weinberg | [August 1924] |
| RR/26/32 | Referee's report by Thomas Ralph Merton, on a paper 'The absorption of light by elements in a state of vapour: The halogens' by James Johnston Dobbie and John Jacob Fox | [June 1921] |
| RR/25/31 | Referee's report by William Mitchinson Hicks, on a paper 'On intensity relations in the spectrum of helium' by Thomas Ralph Merton and John William Nicholson | [May 1918] |
| RR/28/113 | Referee's report by Thomas Ralph Merton, on a paper 'The refractivities of modified atoms and molecules' by H Grayson Smith | [June 1923] |
| RR/29/54 | Referee's report by Thomas Ralph Merton, on a paper 'The carbon arc spectrum in the extreme ultra-violet - II' by F Simeon | August 1923 |
| RR/30/58 | Referee's report by Thomas Ralph Merton, on a paper 'On the band spectrum of potassium' by H Grayson Smith | [February 1924] |
| RR/29/5 | Referee's report by Thomas Ralph Merton, on a paper 'Intensities in the helium spectrum' by A L Hughes and P Lowe | June 1923 |
| RR/28/78 | Referee's report by Thomas Ralph Merton, on a paper 'Note on the series spectra of the aluminium sub-group' by J A Carroll | [March 1923] |
| RR/29/53 | Referee's report by Thomas Ralph Merton, on a paper 'The doublet separation of the balmer lines' by [Gordon Merritt] Shrum | December 1923 |
| RR/30/38 | Referee's report by Thomas Ralph Merton, on a paper 'The Fulcher hydrogen bands' by William Edward Curtis | [December 1924] |
| RR/33/46 | Referee's report by Thomas Ralph Merton, on a paper 'New series in the secondary hydrogen spectrum' by W E Curtis | 16 November 1925 |
| RR/31/1 | Referee's report by Thomas Ralph Merton, on a paper 'On the band-spectra of silicon oxide and chloride, and chlorides of carbon, boron, and aluminium' by W Jevons | [May 1924] |
| NLB/65/360 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 19 October 1923 |
| RR/43/110 | Referee's report by Thomas Ralph Merton, on a paper 'Asymmetry observed in the stark components of Ha' by D R McRae | March 1931 |
| RR/63/57 | Referee's report by Thomas Ralph Merton, on a paper 'The constitution of heavy water' by I Ramakrishna Rao and P Koteswaram | January 1938 |
| NLB/61/727 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 18 October 1921 |
| RR/38/65 | Referee's report by Thomas Ralph Merton, on a paper 'The Zeeman effect in the band spectrum of helium.—II' by A Harvey | December 1929 |
| RR/37/90 | Second referee's report by Thomas Ralph Merton, on a paper 'Studies in the behaviour of hydrogen and mercury at the electrode surfaces of spectrum tubes' by M C Johnson | March 1928 |
| NLB/58/905 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Dr. [Thomas Ralph] Merton, FRS | 2 July 1920 |
| RR/41/95 | Referee's report by Thomas Ralph Merton, on a paper 'The absorption spectrum of lithium vapour' by R W France | August 1930 |
| NLB/62/532 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 2 March 1922 |
| RR/43/75 | Referee's report by Thomas Ralph Merton, on a paper 'The band spectrum of yttrium oxide (YO). With a note on the ScO and LaO Systems' by L W Johnson and R C Johnson | May 1931 |
| NLB/64/663 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS. | 29 May 1923 |
| RR/29/63 | Referee's report by Thomas Ralph Merton, on a paper 'A wave-length torsometer and its use with the universal interferometer' by Alfred Edwin Howard Tutton | May 1923 |
| RR/21/122 | Referee's report by Robert John Strutt, Lord Rayleigh, on a paper 'Attempts to produce the rare gases by electric discharge' by Thomas Ralph Merton | [1914] |
| NLB/64/252 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 1 March 1923 |
| RR/44/133 | Referee's report by Thomas Ralph Merton, on a paper 'Intensity measurements in the band spectrum of lithium' by W R Van Wijk and A J Van Koeveringe | April 1931 |
| RR/45/118 | Referee's report by Thomas Ralph Merton, on a paper 'Intensity distributions in molecular spectra: The swan system (C2)' by R C Johnson and N R Tawde | [May 1932] |
| NLB/60/686 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 15 March 1921 |
| RR/70/185 | Referee's report by Harry Hemley Plaskett, on a paper 'On interference microscopy' by Thomas Ralph Merton | 1947 |
| RR/26/140 | Referee's report by Thomas Ralph Merton, on a paper 'The photographic efficiency of heterogeneous light' by F C Toy | [May 1921] |
| RR/26/103 | Referee's report by Thomas Ralph Merton, on a paper 'On the absorption of light by electrically luminescent mercury vapour' by E P Metcalfe and B Venkatesachar | [March 1921] |
| RR/28/42 | Referee's report by Alfred Fowler, on the Bakerian Lecture 'On the spectrum of hydrogen' by Thomas Ralph Merton and S Barratt | 16 January 1922 |
| NLB/64/239 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 27 February 1923 |
| NLB/57/288 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir Richard [Tetley] Glazebrook, FRS, CB, Chairman of the Physics Committee | 8 October 1919 |
| NLB/57/276 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Sir Richard Glazebrook, FRS, CB, Chairman of the Physics Committee | 2 October 1919 |
| NLB/61/326 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 20 June 1921 |
| RR/56/76 | Referee's report by Thomas Ralph Merton, on a paper 'Fluorescent emission of the mercury line 2537 A at pressures between 10-3 and 10-1 mm' by Peter Pringsheim and O D Saltmarsh | [November 1935] |
| RR/58/36 | Referee's report by Thomas Ralph Merton, on a paper 'The near infra-red absorption spectrum of heavy water' by Lotte Kellner | December 1936 |
| NLB/62/358 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 31 January 1922 |
| NLB/62/497 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 23 February 1922 |
| NLB/62/283 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 19 January 1922 |
| RR/65/221 | Referee's report by Thomas Ralph Merton, on a paper 'The fluorescence of compounds containing manganese' by John Turton Randall | December 1938 |
| NLB/63/743 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 08 December 1922 |
| NLB/62/452 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 16 February 1922 |
| NLB/62/898 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 30 May 1922 |
| NLB/63/484 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Professor [Thomas Ralph] Merton, FRS | 27 October 1922 |
| RR/63/53 | Referee's report by Thomas Ralph Merton, on a paper 'The absorption spectrum of formic acid in the vacuum ultra-violet' by William Charles Price and W M Evans | June 1937 |
| RR/64/20 | Referee's report by Thomas Ralph Merton, on a paper 'Investigations of Infra-Red Spectra-Absorption of Some Hydroxy Compounds in the Region of 3u' by John Jacob Fox and A E Martin | [July 1937] |
| RR/65/141 | Referee's report by Thomas Ralph Merton on a paper 'Hyperfine structure, zeeman effect and isotope shift in the resonance lines of potassium' by Derek Ainslie Jackson and H Kuhn | February 1938 |
| NLB/64/142 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 8 February 1923 |
| NLB/62 | New Letter Book volume 62, copy letters sent from Royal Society administration | 11 November 1921-10 June 1922 |
| NLB/57/881 | Copy letter from unknown correspondent; to unknown correspondent | 26 February 1920 |
| NLB/64/289 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 7 March 1923 |
| NLB/63/845 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Professor [Thomas Ralph] Merton, FRS | 06 January 1923 |
| NLB/63/588 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society and FRS; to Professor [Thomas Ralph] Merton, FRS | 09 November 1922 |
| NLB/65/152 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Thomas Ralph] Merton, FRS | [August] 1923 |
| RR/72/195 | Referee's report by Harry Hemley Plaskett, on a paper 'On the reproduction and ruling of diffraction gratings' by Thomas Ralph Merton | 19 December 1949 |
| NLB/65/780 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 21 December 1923 |
| RR/71/282 | Referee's report by Thomas Ralph Merton, on a paper 'Spontaneous deformation of protocatechuic acid crystals' by Robert Williams Wood | 1948 |
| RR/31/48 | Referee's report by Thomas Ralph Merton, on a paper 'The apparent tripling of certain lines in arc spectra' by T Royds | [November 1924] |
| NLB/65/86 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to James Hopwood Jeans, Secretary of the Royal Society | 25 July 1923 |
| NLB/65/123 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to The Lord Rayleigh [Robert John Strutt], FRS | 4 August 1923 |
| NLB/65/394 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Honourable Sir Charles [Algernon] Parsons, KCB, FRS; also sent to Professor [Charles Glover] Barkla, Professor [Arthur Stanley] Eddington, Sir [William Henry] Bragg, Professor [Thomas Ralph] Merton, Professor [Jocelyn Field] Thorpe, Sir [Frederick William] Andrewes, Professor [Edwin Stephen] Goodrich, Sir [Thomas Henry] Holland and Sir [Frederick William] Keeble. | 25 October 1923 |
| NLB/65/796 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Thomas Ralph] Merton, FRS | 4 January 1924 |
| NLB/65/713 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 12 December 1923 |
| NLB/65/703 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Director of the National Physical Laboratory | 11 December 1923 |
| RR/28/105 | Referee's report by Thomas Ralph Merton, on a paper 'The constitution of the secondary spectrum of hydrogen' by William Mitchinson Hicks | [June 1923] |
| NLB/67/553 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 22 January 1925 |
| NLB/65/795 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 4 January 1924 |
| NLB/66/319 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Thomas Ralph] Merton, FRS | 8 April 1924 |
| NLB/66/325 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Alfred] Fowler, FRS | 8 April 1924 |
| NLB/66/475 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 15 May 1924 |
| NLB/66/553 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Thomas Ralph] Merton, FRS | 29 May 1924 |
| NLB/66/620 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Thomas Ralph] Merton, FRS | 6 June 1924 |
| NLB/66/408 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 3 May 1924 |
| NLB/66/805 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Thomas Ralph] Merton, FRS | 11 July 1924 |
| NLB/68/748 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor [Owen Willans] Richardson, FRS | 29 October 1925 |
| NLB/69/632 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; Messrs. Longmans, Green and Co., Ltd., 39 Paternoster Row. EC4 | 2 July 1926 |
| NLB/65/823 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 11 January 1924 |
| NLB/66/453 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Thomas Ralph] Merton, FRS | 14 May 1924 |
| NLB/66/454 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Prof. [Alfred] Fowler | 15 May 1924 |
| NLB/66/717 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 25 June 1924 |
| EC/1920/11 | Merton, Sir Thomas Ralph: certificate of election to the Royal Society | |
| PB/8/45/3/3 | Correspondence re Blackett's Tizard Memorial Lecture, 1960 | 1960 |
| MDA/A/16/18 | Letter from David Chrisite Martin to Thomas Ralph Merton, The Royal Society, Burlington House | 22 September 1952 |
| RR/27/99 | Referee's report by Thomas Ralph Merton, on a paper 'The line spectrum of chlorine in the ultra-violet (Region 3354 — 2070 A.)' by W Jevons | January 1923 |
| RR/25/32 | Referee's report by Arthur Schuster, on a paper 'On intensity relations in the spectrum of helium' by Thomas Ralph Merton and John William Nicholson | nd [1918] |
| RR/26/86 | Referee's report by Thomas Ralph Merton, on the Bakerian Lecture 'The titration curve of gelatine.—Report to the medical research council' by Thomas Martin Lowry and Percy Corlett Austin | [November 1921] |
| RR/30/48 | Referee's report by Thomas Ralph Merton, on the Bakerian Lecture 'The spectrum of silicon at successive stages of ionisation' by Alfred Fowler | [January 1925] |
| RR/33/47 | Referee's report by Thomas Ralph Merton, on a paper 'Absorption of radiation in the extreme ultra-violet by the inert gases' by Clive Cuthbertson | December 1926 |
| RR/59/38 | Referee's report by Thomas Ralph Merton, on a paper 'The absorption spectrum of bromine in the near infra-red' by Orrell Darbyshire | [November 1936] |
| RR/26/96 | Referee's report by Thomas Ralph Merton, on a paper 'On the structure of the Balmer series lines of hydrogen' by John Cunningham McLennan and P Lowe | [July 1921] |
| RR/63/48 | Referee's report by Thomas Ralph Merton, on a paper 'The absorption spectrum of liquid bromine' by D Porret | July 1937 |
| RR/65/93 | Referee's report by Thomas Ralph Merton, on a paper 'Investigations of infra-red spectra. Absorption of the CH2 group in the region of 3µ' by J J Fox and A E Martin | May 1938 |
| RR/36/19 | Referee's report by Robert John Strutt, Lord Rayleigh, on a paper 'On a new effect in the electric discharge' by Thomas Ralph Merton | [December 1927] |
| NLB/66/387 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 30 April 1924 |
| NLB/66/549 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 29 May 1924 |
| NLB/66/445 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; [Robert John Strutt] Lord Rayleigh, FRS | 9 May 1924 |
| NLB/66/318 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh | 8 April 1924 |
| MDA/A/16/43 | Copy letter from David Christie Martin to Thomas Ralph Merton | 11 October 1955 |
| IM/006417 | Group photograph of Officers of the Royal Society 1945-50 | c 1945-50 |
| MDA/A/12/228 | Copy letter from Harold Warris Thompson to Robert Robinson, St John's College, Oxford | 19 December 1947 |
| NLB/60 | New Letter Book volume 60, copy letters sent from Royal Society administration | 2 December 1920-26 April 1921 |
| NLB/66/878 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh, FRS | 1 August 1924 |
| NLB/64/712 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to [Robert John Strutt] Lord Rayleigh | 7 June 1923 |
| RR/30/1 | Referee's report by Thomas Ralph Merton, on a paper 'The band spectrum of hydrogen' by Herbert Stanley Allen | [May 1924] |
| RR/33/74 | Referee's report by Thomas Ralph Merton, on a paper 'Stark patterns observed in helium' by John Stewart Foster | November 1926 |
| RR/31/28 | Referee's report by Thomas Ralph Merton, on a paper 'Absorption and dispersion of thallium vapour' by A L Narayan, D Gunnaiya and K Rangadhama Rao | [July 1924] |
| RR/28/13 | Referee's report by Thomas Ralph Merton, on a paper 'The carbon arc spectrum in the extreme ultra-violet' by F Simeon | [October 1922] |
| RR/30/57 | Referee's report by Thomas Ralph Merton, on a paper 'On the fine structure of the band-spectra of sodium, potassium and sodium-potassium vapours' by H Grayson Smith | [June 1924] |
| RR/27/65 | Referee's report by Thomas Ralph Merton, on a paper 'The coincidence method for the wave-length measurement of absorption bands' by Hamilton Hartridge | July 1922 |
| RR/27/66 | Referee's report by Thomas Ralph Merton, on a paper 'The coincidence method for the wave-length measurement of absorption bands' by Hamilton Hartridge | November 1922 |
| RR/28/43 | Referee's report by Robert Strutt, 4th Baron Rayleigh, on the Bakerian Lecture 'On the spectrum of hydrogen' by Thomas Ralph Merton and S Barratt | [January 1922] |
| RR/31/26 | Referee's report by Thomas Ralph Merton, on a paper 'On selective absorption by luminous mercury vapour' by E P Metcalfe and B Venkatesachar | [January 1924] |
| RR/34/46 | Referee's report by Thomas Ralph Merton, on a paper 'Optical rotatory dispersion. Part III.—The rotatory dispersion of quartz in the infra-red, visible and ultra-violet regions of the spectrum' by Thomas Martin Lowry and W R C Coode-Adams | [September 1926] |
| RR/37/89 | Referee's report by Thomas Ralph Merton, on a paper 'Studies in the behaviour of hydrogen and mercury at the electrode surfaces of spectrum tubes' by M C Johnson | February 1928 |
| RR/38/37 | Referee's report by Thomas Ralph Merton, on a paper 'The absorption spectra of halogens and inter-halogen compounds in solution in carbon tetrachloride' by A E Gillam and Richard Alan Morton | May 1929 |
| RR/42/16 | Referee's report by Thomas Ralph Merton, on a paper 'Fluorescent excitation of mercury by the resonance frequency and by lower frequencies. Further studies' by Robert John Strutt, Lord Rayleigh | January 1932 |
| RR/43/85 | Referee's report by Thomas Ralph Merton, on a paper 'The broadening of the lines in the absorption spectra of the alkaline metallic vapours' by Kariamanikkam Srinivasa Krishnan | August 1930 |
| RR/46/34 | Referee's report by Thomas Ralph Merton, on a paper 'Optical rotatory power. Part IV.-rotatory dispersion of Bornyl and Menthyl Zanthates, especially in the region of absorption' by Thomas Martin Lowry and H Hudson | [November 1932] |
| RR/64/8 | Referee's report by Thomas Ralph Merton, on a paper 'The continuous absorption spectrum of methyl bromide and its quantal interpretation' by Phyllis Fink and Charles Frederick Goodeve | [August 1937] |
| RR/47/65 | Referee's report by Thomas Ralph Merton, on a paper 'Absorption spectra in relation to the colour of solutions of iodine bromide solutions' by A E Gillam | November 1932 |
| RR/75/12 | Referee's report by Thomas Ralph Merton, on a paper 'The production of diffraction gratings; the copying of plane gratings' by G D Dew and L A Sayce | 25 January 1951 |
| RR/77/171 | Referee's report by Thomas Ralph Merton, on a paper 'The production of diffraction gratings II The generation of helical rulings and the preparation of place gratings therefrom' by R G N Hall and L A Sayce | 23 August 1952 |
| RR/77/170 | Letter from Thomas Ralph Merton, on a paper 'The production of diffraction gratings. II. The generation of helical rulings and the preparation of place gratings therefrom' by R G N Hall and L A Sayce, to John Courtney Graddon | 15 August 1952 |