| RefNo | Title | Date |
| IM/Maull/000066 | Alcock, Alfred William | nd |
| NLB/50/482 | Copy letter from Robert William Frederick Harrison, to Lieutenant Colonel [Alfred William] Alcock, Fellow of the Royal Society | 17 July 1914 |
| NLB/30/763 | Copy letter from Archibald Geikie, to Major Alfred William Alcock, Fellow of the Royal Society, and Major J R Adie | 19 May 1905 |
| NLB/25/232 | Copy letter from Theodore E James, to Professor Alfred William Alcock, Fellow of the Royal Society, 62 Gloucester Road, Kew, S.W. | 26 September 1902 |
| NLB/25/554 | Copy letter from Robert William Frederick Harrison, to Major Alfred William Alcock, [Fellow of the Royal Society], Kew | 18 November 1902 |
| NLB/28/27 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 21 December 1903 |
| NLB/28/50 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons, St Martin's Lane | 23 December 1903 |
| NLB/36/787 | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons | 16 December 1907 |
| NLB/35/207 | Copy letter from Robert William Frederick Harrison, to Lieutenant Colonel Alfred William Alcock, Fellow of the Royal Society | 1 May 1907 |
| PIF/A/23 | Personal information file: Alfred William Alcock | 1933-1942 |
| NLB/36/655 | Copy letter from Robert William Frederick Harrison, to Lieutenant Colonel Alfred William Alcock, Fellow of the Royal Society | 26 November 1907 |
| NLB/39/496 | Copy letter from The Robert William Frederick Harrison to Lieutenant Colonel A [Alfred] W [William] Alcock, CIE, Fellow of the Royal Society | 27 January 1909 |
| NLB/44/636 | Copy letter from Robert William Frederick Harrison to Lieutenant Colonel A [Alfred] W [William] Alcock FRS | 4 October 1911 |
| NLB/50/154 | Copy letter from Robert William Frederick Harrison, to Lieutenant Colonel [Alfred William] Alcock, Fellow of the Royal Society | 9 May 1914 |
| NLB/62/706 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Lieutenant Colonel [Alfred William] Alcock, FRS | 10 April 1922 |
| NLB/57/303 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Lt. Col. A [Alfred William] Alcock, FRS, CIE | 11 October 1919 |
| IM/000067 | Alcock, Alfred William | 1922 |
| NLB/62/845 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Lieutenant Colonel [Alfred William] Alcock, FRS | 19 May 1922 |
| NLB/62/606 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Colonel [Alfred William] Alcock, FRS | 22 March 1922 |
| NLB/63/521 | Copy letter from William Bate Hardy, Secretary of the Royal Society and FRS; to Lieutenant-Colonel [Alfred William] Alcock, C.I.E., FRS | 02 November 1922 |
| NLB/65/290 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Sidney [Frederic] Harmer, FRS | 8 October 1923 |
| NLB/64/674 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Lt. Col. [Alfred William] Alcock | 31 May 1923 |
| RR/32/124 | Referee's report by Alfred William Alcock, on a paper 'On a new type of crustacean from the old red sandstone (Rhymie Chert Bed, Aberdeenshire) — Lepidocaris rhyniensis' by D J Scourfield | July 1925 |
| IM/000063 | Alcock, Alfred William | nd |
| NLB/23/2/333 | Copy letter sent from Sir Michael Foster, to Major Alfred William Alcock, Fellow of the Royal Society, 62 Gloucester Road, Kew | 12 May 1903 |
| NLB/35/664 | Copy letter from Robert William Frederick Harrison, to Lieutenant Colonel [Alfred William] Alcock, Fellow of the Royal Society | 27 June 1907 |
| EC/1901/02 | Alcock, Alfred William: certificate of election to the Royal Society | |
| 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/57 | New Letter Book volume 57, copy letters sent from Royal Society administration | 27 June 1919-27 February 1920 |
| PP/18/10/2 | Unpublished figures, 'Indian ray gestation and anatomy' by J Wood-Mason and Alfred William Alcock | 1891 |
| RR/32/38a | Referee's report by Alfred William Alcock, on a paper 'On the segmental excretory organs of certain fresh-water ostracods' by Herbert Graham Cannon | 21 February 1925 |
| PP/18/10 | Paper, 'Further observations on the gestation of Indian rays, being natural history notes from H. M. Indian Marine Survey Steamer "Investigator"' by J Wood-Mason and Alfred William Alcock | 1891 |
| PP/18/10/1 | Manuscript, 'Further observations on the gestation of Indian rays, being natural history notes from H. M. Indian Marine Survey Steamer "Investigator"' by J Wood-Mason and Alfred William Alcock | 1891 |
| MC/19/8 | Letter from [Alfred William] Alcock, India Museum, Calcutta, to the Assistant Secretary of the Royal Society | 24 November 1904 |