| RefNo | Title | Date |
| EC/1901/11 | Schlich, Sir William: certificate of election to the Royal Society | |
| IM/004019 | Schlich, Sir William | nd |
| NLB/40/50 | Copy letter from Robert William Frederick Harrison to Unknown Recipient | March 1909 |
| NLB/40/49 | Copy letter from Robert William Frederick Harrison to The Secretary, The Royal Academy of Arts | 30 March 1909 |
| NLB/40/30 | Copy letter from Robert William Frederick Harrison to [The Editor of the "The Times"] | 26 March 1909 |
| NLB/40 | New Letter Book voulme 40, copy letters sent from Royal Society administration | 19 March 1909-15 September 1909 |
| NLB/40/48 | Copy letter from Robert William Frederick Harrison to Professor Karl Pearson FRS | 30 March 1909 |
| NLB/40/121 | Copy letter from Robert William Frederick Harrison to Mr B Martin, 40 Tressillian Road, St Johns, SE | 21 April 1909 |
| NLB/40/87 | Copy letter from Robert William Frederick Harrison to Professor [Joseph] Larmor, Sec RS | 5 April 1909 |
| NLB/40/118 | Copy letter from Robert William Frederick Harrison to Messrs Jones Lang & Co, 3 King Street, Cheapside, EC | 20 April 1909 |
| NLB/40/40 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 25 March 1909 |
| NLB/34/286 | Copy letter from Robert William Frederick Harrison, to Dr William Schlich, Fellow of the Royal Society | 21 December 1906 |
| NLB/40/115 | Copy letter from Robert William Frederick Harrison to A [Arthur] M [Mason] Worthington, Mohuns, Tavistock | 19 April 1909 |
| NLB/35/599 | Copy letter from Robert William Frederick Harrison, to Professor William Schlich, Fellow of the Royal Society | 18 June 1907 |
| NLB/35/660 | Copy letter from Robert William Frederick Harrison, to Professor William Schlich, Fellow of the Royal Society | [27 June 1907] |
| NLB/40/129 | Copy letter from Robert William Frederick Harrison to The Secretary of the Board of Visitors | 23 April 1909 |
| NLB/40/4 | Copy letter from Robert William Frederick Harrison to The Secretary, Reale Accademia dei Lincei, Rome | 22 March 1909 |
| NLB/40/2 | Copy letter from Robert William Frederick Harrison to Messrs The Stolzenberg Patent File Co., 50-53 Bishopsgate Street Without EC | 20 March 1909 |
| NLB/40/112 | Copy letter from Robert William Frederick Harrison to Dr E [Edgar] J [Johnson] Allen | 19 April 1909 |
| NLB/40/24 | Copy letter from Robert William Frederick Harrison to The Manager, Lloyds Bank, Ltd, St James Street, SW | 24 March 1909 |
| NLB/40/107 | Copy letter from Robert William Frederick Harrison to Dr T [Homas] H [Howell] Laby, Emmanuel College, Cambridge | April 1909 |
| NLB/40/78 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 1 April 1909 |
| NLB/40/21 | Copy letter from Robert William Frederick Harrison to Professor Karl Pearson FRS | 24 March 1909 |
| NLB/40/28 | Copy letter from Robert William Frederick Harrison to The Librarian, McGill Univeristy, Montreal, Canada | 24 March 1909 |
| NLB/40/114 | Copy letter from Robert William Frederick Harrison to The Librarian, Societe des Sciences de Finland, Helsingfors, Finland | 20 April 1909 |
| NLB/40/11 | Copy letter from Robert William Frederick Harrison to Messrs The Stolzenberg Patent File Co. | 23 March 1909 |
| NLB/40/20 | Copy letter from Robert William Frederick Harrison to W B Keen | 24 March 1909 |
| NLB/40/32 | Copy letter from Joseph Larmor to G [George] B [Ballard] Matthews | 25 March 1909 |
| NLB/40/63 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 31 March 1909 |
| NLB/40/47 | Copy letter from Robert William Frederick Harrison to Dr H F Morley | 30 March 1909 |
| NLB/40/29 | Copy letter from Robert William Frederick Harrison to Unknown Recipient | March 1909 |
| NLB/40/123 | Copy letter from Robert William Frederick Harrison to Mr H Keen, 2 Southampton Row | 21 April 1909 |
| NLB/40/3 | Copy letter from Robert William Frederick Harrison to Dr J O Wakelin Barratt, Beaconsfield, Runcorn | 20 March 1909 |
| NLB/40/72 | Copy letter from Robert William Frederick Harrison to Archibald Geikie KCB, Pres RS | 2 April 1909 |
| NLB/40/54 | Copy letter from Robert William Frederick Harrison to R [Richard] Threlfall FRS | 31 March 1909 |
| NLB/40/101 | Copy letter from Robert William Frederick Harrison to Colonel D [David] Prain FRS | 7 April 1909 |
| NLB/40/5 | Copy letter from Robert William Frederick Harrison to [M. le Comte de Bosdari] | 22 March 1909 |
| NLB/39/493 | Copy letter from The Robert William Frederick Harrison to Professor W [William] Schlich, CIE, Fellow of the Royal Society | 27 January 1909 |
| NLB/40/62 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 31 March 1909 |
| NLB/40/39 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 26 March 1909 |
| NLB/40/93 | Copy letter from Robert William Frederick Harrison to A [Alfred] B [Bray] Kempe, Treas RS | 6 April 1909 |
| NLB/40/15 | Copy letter from Robert William Frederick Harrison to Dr R [Richard] T [Tetley] Glazebrook FRS | 22 March 1909 |
| NLB/40/120 | Copy letter from Robert William Frederick Harrison to Messrs Polter & Sons, 161-162 Aldersgate Street, EC | 21 April 1909 |
| NLB/40/95 | Copy letter from Robert William Frederick Harrison to The Secretary, Royal Academy of Arts | 6 April 1909 |
| NLB/40/92 | Copy letter from Robert William Frederick Harrison to Miss May Allen, Zoology Department, The University, Liverpool | 4 April 1909 |
| NLB/40/86 | Copy letter from Robert William Frederick Harrison to J C Dobbie | 5 April 1909 |
| NLB/40/75 | Copy letter from Robert William Frederick Harrison to Mr A H Buttery, 11 Piccadilly, W | 2 April 1909 |
| NLB/40/126 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 19 April 1909 |
| NLB/40/26 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 25 March 1909 |
| NLB/40/31 | Copy letter from Robert William Frederick Harrison to Herr Eugen Schilz, Kochstr. 177, Pretoria | 25 March 1909 |
| NLB/40/105 | Copy letter from Archibald Geikie, President of the Royal Society to His Highness, The Duke of Teck, GCVO | 7 April 1909 |
| NLB/40/81 | Copy letter from Robert William Frederick Harrison to S Cowper-Coles, Grosvenor Mansions, Victoria Street, SW | 5 April 1909 |
| NLB/40/14 | Copy letter from Robert William Frederick Harrison to Messrs Robarts Lubbock & Co. | 23 March 1909 |
| NLB/40/99 | Copy letter from Robert William Frederick Harrison to H R Knipe, 9 Linden Park, Tunbridge Wells | 6 April 1909 |
| NLB/40/35 | Copy letter from Robert William Frederick Harrison to Messrs A Jordan & Co, 121 St John Street Road, EC | 25 March 1909 |
| NLB/40/98 | Copy letter from Robert William Frederick Harrison to E [Edwin] S [Stephen] Goodrich FRS | 6 April 1909 |
| NLB/40/44 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 29 March 1909 |
| NLB/40/135 | Copy letter from Robert William Frederick Harrison to Professor W [William] Schlich CIE, FRS | 23 April 1909 |
| NLB/40/74 | Copy letter from Robert William Frederick Harrison to F A Eaton, Secretary, The Royal Academy of Arts | 2 April 1909 |
| NLB/40/17 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 23 March 1909 |
| NLB/40/67 | Copy letter from Robert William Frederick Harrison to Dr H Forster Morley | 1 April 1909 |
| NLB/40/79 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 1 April 1909 |
| NLB/40/38 | Copy letter from Robert William Frederick Harrison to Professor C S Sherrington FRS | 26 March 1909 |
| NLB/40/116 | Copy letter from Robert William Frederick Harrison to The Director General, Medical Department, The Admiralty, SW | 20 April 1909 |
| NLB/40/89 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 5 April 1909 |
| NLB/40/100 | Copy letter from Robert William Frederick Harrison to Professor [Joseph] Larmor, Sec RS | 7 April 1909 |
| NLB/40/59 | Copy letter from Robert William Frederick Harrison to S M Grunwald, ISO, Home Office | 31 March 1909 |
| NLB/40/8 | Copy letter from Robert William Frederick Harrison to The Commissioner of Police, Criminal Investigation Department, New Scotland Yard, SW | 22 March 1909 |
| NLB/40/68 | Copy letter from Robert William Frederick Harrison to Professor A [Arthur] Schuster FRS | 1 April 1909 |
| NLB/40/22 | Copy letter from Robert William Frederick Harrison to Engr Lieutenant Edgar C Smith, RN | 24 March 1909 |
| NLB/40/131 | Copy letter from Robert William Frederick Harrison to Perceval Lucas, 188 Marylebone Road, NW | 22 April 1909 |
| NLB/40/46 | Copy letter from Robert William Frederick Harrison to Professor Henderson | 29 March 1909 |
| NLB/40/34 | Copy letter from Robert William Frederick Harrison to The Secretary, German Consulate General. 49 Finsbury Square, EC | 25 March 1909 |
| NLB/40/37 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 26 March 1909 |
| NLB/40/97 | Copy letter from Robert William Frederick Harrison to C [Charles] V [Vernon] Boys FRS | 6 April 1909 |
| NLB/40/128 | Copy letter from Robert William Frederick Harrison to Dr W [William] N [Napier] Shaw FRS | 23 April 1909 |
| NLB/40/108 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 4 April 1909 |
| NLB/40/77 | Copy letter from Robert William Frederick Harrison to Francis Fox | 2 April 1909 |
| NLB/40/55 | Copy letter from Robert William Frederick Harrison to Professor A [Arthur] Schuster FRS | 31 March 1909 |
| NLB/40/73 | Copy letter from Robert William Frederick Harrison to Miller Christy, The Blue House, Chignal St James, Chelmsford | 2 April 1909 |
| NLB/40/23 | Copy letter from Robert William Frederick Harrison to Mrs H Gregory Nicolson, 27 Oakwood Court, Melbury Road, Kensington, W | 25 March 1909 |
| NLB/40/117 | Copy letter from Robert William Frederick Harrison to Miss Benson | 21 April 1909 |
| NLB/40/102 | Copy letter from Robert William Frederick Harrison to Lieutenant-Colonel W B Leishman RAMC, Royal Army Medical College, Millbank, SW | 7 April 1909 |
| NLB/40/57 | Copy letter from Robert William Frederick Harrison to D Cockerell | 31 March 1909 |
| NLB/40/43 | Copy letter from Alfred Bray Kempe to Professor W [William] M [Mitchinson] Hicks FRS, May Park Road, Sheffield | 26 March 1909 |
| NLB/40/69 | Copy letter from Robert William Frederick Harrison to T Lupton, 37 Essex Street, Strand, WC | 2 April 1909 |
| NLB/40/10 | Copy letter from Robert William Frederick Harrison to Messrs Dent & Co. | 22 March 1909 |
| NLB/40/7 | Copy letter from Robert William Frederick Harrison to Sir Thomas R [Richard] Fraser FRS | 22 March 1909 |
| NLB/40/51 | Copy letter from Robert William Frederick Harrison to Thomas Lupton, 37 Essex Street, Strand, WC | 31 March 1909 |
| NLB/40/45 | Copy letter from Robert William Frederick Harrison to The District Engineer, LB & SCR, East Croydon | 29 March 1909 |
| NLB/40/13 | Copy letter from Robert William Frederick Harrison to Dr R [Richard] T [Tetley] Glazebrook FRS | 23 March 1909 |
| NLB/40/60 | Copy letter from Robert William Frederick Harrison to The Secretary, HM Treasury | 31 March 1909 |
| NLB/40/90 | Copy letter from Robert William Frederick Harrison to Professor J [Joseph] Larmor, Sec RS | 5 April 1909 |
| NLB/40/124 | Copy letter from Robert William Frederick Harrison to C [Charles] V [Vernon] Boys FRS | 21 April 1909 |
| NLB/40/36 | Copy letter from Robert William Frederick Harrison to The Under Secretary of State, Home Office | 27 March 1909 |
| NLB/40/103 | Copy letter from Robert William Frederick Harrison to [Archibald Geikie, President of the Royal Society] | 7 April 1909 |
| NLB/40/113 | Copy letter from Robert William Frederick Harrison to Dr G Herbert Fowler | 19 April 1909 |
| NLB/40/94 | Copy letter from Robert William Frederick Harrison to A [Alfred] B [Bray] Kempe, Treas RS | 6 April 1909 |
| NLB/40/83 | Copy letter from Robert William Frederick Harrison to Professor E [Edward] Hull FRS | 5 April 1909 |
| NLB/40/668 | Copy letter from Robert William Frederick Harrison to Sir William Schlich KCIE, FRS | 15 July 1909 |
| NLB/40/125 | Copy letter from Robert William Frederick Harrison to Messrs W Wesley & Sons | 21 April 1909 |
| NLB/40/85 | Copy letter from Robert William Frederick Harrison to Unknown Recipient | 5 April 1909 |
| NLB/40/119 | Copy letter from Robert William Frederick Harrison to D Cockerell | 21 April 1909 |
| NLB/40/169 | Copy letter from Robert William Frederick Harrison to Lieutenant Colonel D [David] Prain CIE, FRS | 27 April 1909 |
| NLB/40/16 | Copy letter from Robert William Frederick Harrison to G T Hedge, Goods Dept. Broad Street Station, EC | 23 March 1909 |
| NLB/40/1 | Copy letter from Robert William Frederick Harrison to Dr H F Morley | 19 March 1909 |
| NLB/40/588 | Copy letter from Robert William Frederick Harrison to Harrison & Sons | 30 June 1909 |
| NLB/40/53 | Copy letter from Robert William Frederick Harrison to Messrs Lee, Musgrove & Co | 31 March 1909 |
| NLB/40/9 | Copy letter from Robert William Frederick Harrison to Professor W [William] A [Abbott] Herdman FRS | 22 March 1909 |
| NLB/40/18 | Copy letter from Robert William Frederick Harrison to Miss Jean White, c.o Professor A [Alfred] J [James] Ewart, The University, Melbourne | 24 March 1909 |
| NLB/40/66 | Copy letter from Robert William Frederick Harrison to W Allen | 1 April 1909 |
| NLB/40/64 | Copy letter from Robert William Frederick Harrison to The Librarian, Kaiseriche Akademie der Wissenschaften, Vienna | 31 March 1909 |
| NLB/40/61 | Copy letter from Robert William Frederick Harrison to J H Parsons FRCS, 27 Wimpole Street, Cavendish Square, W | 31 March 1909 |
| NLB/40/127 | Copy letter from Robert William Frederick Harrison to C E S Phillips, Castle House, Sooters Hill, Kent | 22 April 1909 |
| NLB/40/33 | Copy letter from Robert William Frederick Harrison to Sir J [Joseph] W [Wilson] Swan FRS, 1 Essex Court, Temple. EC | 25 March 1909 |
| NLB/40/96 | Copy letter from Robert William Frederick Harrison to Professor S [Silvanius] P [Phillips] Thompson FRS | 5 April 1909 |
| NLB/40/41 | Copy letter from Robert William Frederick Harrison to Professor A [Arthur] Schuster FRS | 26 March 1909 |
| NLB/40/80 | Copy letter from Robert William Frederick Harrison to Sir [Thomas] Lauder Brunton, Bart FRS | 2 April 1909 |
| NLB/40/106 | Copy letter from Archibald Geikie, President of the Royal Society to Lieutenant-Colonel Sir Arthur J Bigge, GCVO, KCB | 7 April 1909 |
| NLB/40/27 | Copy letter from Robert William Frederick Harrison to F A Talbot, 15 Wilbury Crescent, Hover, Sussex | 25 March 1909 |
| NLB/40/88 | Copy letter from Robert William Frederick Harrison to Der Koofddirecteur, Kon Med Met Instituut, De Blit | 5 April 1909 |
| NLB/40/6 | Copy letter from Robert William Frederick Harrison to E C C Baly, University College, Gower Street | 22 March 1909 |
| NLB/40/71 | Copy letter from Robert William Frederick Harrison to Dr John Rose Bradford, Sec RS | 1 April 1909 |
| NLB/40/12 | Copy letter from Robert William Frederick Harrison to Dr F [Frederick] F [Frost] Blackman FRS | 22 March 1909 |
| NLB/40/132 | Copy letter from Robert William Frederick Harrison to Professor Karl Pearson FRS | 22 April 1909 |
| NLB/40/70 | Copy letter from Robert William Frederick Harrison to Dr S [Sidney] F [Frederic] Harmer FRS | 2 April 1909 |
| NLB/40/91 | Copy letter from Alfred Bray Kempe to The Secretary, HM Treasury | 6 April 1909 |
| NLB/40/19 | Copy letter from Robert William Frederick Harrison to Sir David Bruce CB, FRS | 23 March 1909 |
| NLB/40/109 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 7 April 1909 |
| NLB/40/76 | Copy letter from Robert William Frederick Harrison to Col S C N Grant, CMG, Southampton | 2 April 1909 |
| NLB/40/110 | Copy letter from Robert William Frederick Harrison to Dr R [Richard] T [Tetley] Glazebrook FRS | 19 April 1909 |
| NLB/40/58 | Copy letter from Robert William Frederick Harrison to The Secretary, American Philosophical Society, Philadelphia, USA | 31 March 1909 |
| NLB/40/82 | Copy letter from Robert William Frederick Harrison to Dr H [Hans] F [Friedrich] Gadow FRS | 5 April 1909 |
| NLB/40/122 | Copy letter from Robert William Frederick Harrison to Dr F [Frederick] F [Frost] Blackman FRS | 21 April 1909 |
| NLB/35/631 | Copy letter from Robert William Frederick Harrison, to Professor William Schlich, Fellow of the Royal Society, Ferlys Lodge, 29 Banbury Road, Oxford | 21 June 1907 |
| NLB/55/577 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to William Foster Esq., C.I.E., Registar & Superintendent of Records, India Office | 17 June 1918 |
| NLB/40/25 | Copy letter from Robert William Frederick Harrison to J [John] H [Herbert] Parsons FRCS | 25 March 1909 |
| MC/17 | Volume 17 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1897-1899 |