| RefNo | Title | Date |
| EC/1902/03 | Baker, Herbert Brereton: certificate of election to the Royal Society | |
| IM/000197 | Baker, Herbert Brereton | nd |
| NLB/31/874 | Copy letter from Robert William Frederick Harrison, to Dr Herbert Brereton Baker, Fellow of the Royal Society, 5 Norham Gardens, Oxford | 28 November 1905 |
| NLB/39/146 | Copy letter from Robert William Frederick Harrison to H [Herbert] B [Brereton] Baker, DSc, Fellow of the Royal Society | 2 December 1908 |
| NLB/39/284 | Copy letter from Robert William Frederick Harrison to H [Herbert] B [Brereton] Baker, Fellow of the Royal Society | 21 December 1908 |
| NLB/38/330 | Copy letter from Robert William Frederick Harrison, to [Herbert Brereton] Baker, Fellow of the Royal Society | 16 July 1908 |
| NLB/39/145 | Copy letter from Archibald Geikie to Sir James Dewar, Fellow of the Royal Society | 3 December 1908 |
| NLB/41/180 | Copy letter from Robert William Frederick Harrison, to Dr Herbert Brereton Baker, Fellow of the Royal Society | 28 October 1909 |
| NLB/43/682 | Copy letter from Robert William Frederick Harrison, to Dr Herbert Brereton Baker, Fellow of the Royal Society | 9 March 1911 |
| NLB/42/90 | Copy letter from Robert William Frederick Harrison to Sir Joseph Larmor, Sec RS | 23 March 1910 |
| NLB/42/717 | Copy letter from Robert William Frederick Harrison [Signed by Theodore E James] to Dr H [Herbert] B [Brereton] Baker FRS | 15 September 1910 |
| NLB/43/666 | Copy letter from Robert William Frederick Harrison, to Dr Herbert Brereton Baker, Fellow of the Royal Society | 7 March 1911 |
| NLB/52/590 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor Herbert Brereton Baker, FRS | 25 January 1916 |
| RR/20/2 | Referee's report by Herbert Brereton Baker, on a paper 'The thermal effects produced by heating and cooling palladium in hydrogen' by J H Andrew and A Holt | July 1913 |
| RR/17/209 | Referee's report by Herbert Brereton Baker, on a paper 'The decomposition of ozone by heat' by Edgar Philip Perman and Richard Henry Greaves | [January 1908] |
| RR/20/142 | Referee's report by Herbert Brereton Baker, on a paper 'Borohydrates part II' by Morris William Travers and Ramesh Chandra Ray | May 1913 |
| RR/20/6 | Referee's report by Herbert Brereton Baker, on a paper 'Studies of the processes operative in solutions. XXV - The influence of non-electrolytes on solubility. The nature of the processes of dissolution and precipitation' by Henry Edward Armstrong and J Vargas Eyre | January 1913 |
| RR/18/171 | Referee's report by Herbert Brereton Baker, on a paper 'On chemical action induced by cathode rays and canal rays' by Edgar Philip Perman | January 1911 |
| RR/10/240 | Referee's report by Herbert McLeod, on a paper 'Combustion in dried oxygen' by Herbert Brereton Baker | 27 August 1888 |
| RR/41/56 | Referee's report by Herbert Brereton Baker, on a paper 'The oxidation of phosphine' by R H Dalton | March 1930 |
| RR/20/93 | Referee's report by Herbert Brereton Baker, on a paper 'On the purification of phosphorus pentoxide for use in high vacua' by [John Job] Manley | April 1913 |
| RR/44/107 | Second referee's report by Herbert Brereton Baker, on a paper 'On the influence of hydrogen on the pyrolysis of ethane and ethylene near 600°.—Part I' by Morris William Travers and L E Hockin | January 1932 |
| IM/000196 | Baker, Herbert Brereton | 1922 |
| RR/44/134 | Referee's report by Herbert Brereton Baker, on a paper 'A new method for the determination of nitrogen peroxide' by E J B Willey | October 1931 |
| RR/42/11 | Referee's report by Herbert Brereton Baker, on a paper 'An investigation of the attack of platinum and tungsten by iodine' by Gordon Van Praagh and Eric Keightley Rideal | September 1931 |
| RR/17/275 | Referee's report by Herbert Brereton Baker, on a paper 'The atomic weight of chlorine' by Edward C Edgar | [July 1908] |
| NLB/60/553 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Clerk to the Government Body; Dulwich College | 23 February 1921 |
| RR/44/9 | Referee's report by Herbert Brereton Baker, on a paper 'The discontinuous nature of the process of sorption of gases and vapours by porous solids' by Arthur John Allmand and L J Burrage | 21 January 1931 |
| NLB/60/527 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Herbert Brereton] Baker, FRS | 18 February 1921 |
| NLB/65/444 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Professor Herbert [Brereton] Baker, FRS | 1 November 1923 |
| NLB/65/495 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Dr Alexander Scott, FRS | 8 November 1923 |
| NLB/65/477 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; sent to The Times; The Morning Post; The Daily Telegraph; Nature; the Press Association | 6 November 1923 |
| NLB/69/271 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary, Dulwich College | 19 February 1926 |
| NLB/73/84 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Herbert Brereton] Baker, C.B.E., FRS | 22 November 1930 |
| NLB/72/718 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Herbert Brereton] Baker, FRS | 19 March 1930 |
| MS/427/435 | Note of a letter from [George Gabriel] Stokes, Secretary of the Royal Society; to the Secretary of the Treasury | 25 June 1885 |
| NLB/65/437 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to the Deputy Master of the Mint | 1 November 1923 |
| NLB/65/823 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 11 January 1924 |
| RR/16/269 | Referee's report by Herbert Brereton Baker, on a paper 'The combination of hydrogen & oxygen in contact with hot surfaces' by Dr William Arthur Bone and R V Wheeler | November 1905 |
| RR/21/151 | Referee's report by Herbert Brereton Baker, on two papers 'Borohydrates.—Part II' and 'Borohydrates.—Part III' by Morris William Travers and others | [June 1914] |
| RR/28/63 | Referee's report by Herbert Brereton Baker, on a paper 'The behaviour of gases in contact with glass surfaces' by D H Bangham and F P Burt | 9 December 1923 |
| RR/21/110 | Referee's report by Herbert Brereton Baker, on a paper 'The silver voltameter. Part III. The solvent properties of silver nitrate solutions' by Thomas Martin Lowry | [August 1914] |
| NLB/65/766 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Lord Rayleigh [Robert John Strutt], FRS | 21 December 1923 |
| RR/44/106 | Referee's report by Herbert Brereton Baker, on a paper 'On the influence of hydrogen on the pyrolysis of ethane and ethylene near 600°.—Part I' by Morris William Travers and L E Hockin | June 1931 |
| RR/18/189 | Referee's report by Herbert Brereton Baker, on a paper 'The comparative and total chemical action of X and B-rays' by F L Usher | March 1911 |
| RR/45/4 | Referee's report by Herbert Brereton Baker, on a paper 'Reactions between carbon and certain gases' by W E J Broom and Morris William Travers | [September 1931] |
| RR/45/5 | Second referee's report by Herbert Brereton Baker, on a paper 'Reactions between carbon and certain gases' by W E J Broom and Morris William Travers | nd [January 1932] |
| RR/19/33 | Referee's report by Herbert Brereton Baker, on a paper 'On the variation of the resistance of Selenium with the voltage' by E E Fournier d'Albe | [January 1912] |
| RR/21/53 | Referee's report by Herbert Brereton Baker, on a paper 'The production of neon and helium by the electrical discharge' by John Norman Collie, Hubert Sutton Patterson and Irvine Masson | [August 1914] |
| RR/37/24 | Referee's report by Herbert Brereton Baker, on a paper 'Further experiments on the combustion of well-dried carbon monoxide and oxygen mixtures. —Part III' by William Arthur Bone, Frank R Weston and Dennis A Winter | December 1928 |
| RR/40/77 | Referee's report by Herbert Brereton Baker, on a paper 'The density and compressibility of phosphine gas; the atomic weight of phosphorus' by Mowbray Ritchie | March 1930 |
| RR/43/29 | Referee's report by Herbert Brereton Baker, on a paper 'The electrical condition of hot surfaces during the adsorption of gases. Part IV.—carbon and copper surfaces at temperatures up to 850° C' by George Ingle Finch and J C Stimson | March 1931 |
| RR/43/111 | Referee's report by Herbert Brereton Baker, on a paper 'The effect of foreign gases on the lower critical oxidation limit of phosphorus vapour' by Harry Work Melville and E B Ludlam | March 1931 |
| RR/44/47 | Referee's report by Herbert Brereton Baker, on a paper 'Photographic investigation of flame movements in gaseous explosions. Parts IV, V and VI' by William Arthur Bone and Reginald P Fraser | August 1931 |