| RefNo | Title | Date |
| NLB/39/551 | Copy letter from Robert William Frederick Harrison to Harrison & Sons | 4 February 1909 |
| NLB/32/619 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 24 April 1906 |
| NLB/32/87 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 22 December 1905 |
| NLB/42/338 | Copy letter from [Robert William Frederick Harrison] to M le Professeur Helge Buckstrom, Stockholm | 25 May 1910 |
| NLB/42/244 | Copy letter from Robert William Frederick Harrison to G [George] W [William] Lamplug,
h FRS | 29 April 1910 |
| NLB/50/56 | Copy letter from Robert William Frederick Harrison, to [George William] Lamplugh, Fellow of the Royal Society | 22 April 1914 |
| NLB/50/273 | Copy letter from Robert William Frederick Harrison, to [George William] Lamplugh, Fellow of the Royal Society | 8 June 1914 |
| NLB/53/324 | Copy letter from [William Bate] Hardy, Secretary of the Royal Society and FRS; to [George William] Lamplugh, FRS | 12 July 1916 |
| NLB/52/412 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to George William Lamplugh, Chairman of the Geology Committee and FRS | 1 December 1915 |
| NLB/52/635 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to George William Lamplugh Esquire, Chairman of the Geology Committee and FRS | 1 February 1916 |
| NLB/52/681 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to George William Lamplugh Esquire, Chairman of the Geology Committee and FRS | 14 February 1916 |
| RR/29/69 | Referee's report by George William Lamplugh, on a paper 'On rhexoxylon, bancroft—a triassic genus of plants exhibiting a liane-type of vascular organisation' by John Walton | 15 January 1923 |
| NLB/61/49 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to [George William] Lamplugh Esquire, Chairman of the Geology Committee and FRS | 2 May 1921 |
| NLB/53/143 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Mr. [George William] Lamplugh,Chairman of the Geology Committee of the Royal Society and FRS | 8 May 1916 |
| NLB/53/647 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [George William] Lamplugh, FRS | 17 November 1916 |
| NLB/60/337 | Copy letter from [James Hopwood Jeans,] Secretary of the Royal Society; to [George William] Lamplugh Esquire, Chairman of the Geology Committee and FRS | 20 January 1921 |
| RR/27/41 | Referee's report by George William Lamplugh, on a paper 'Le centenaire des iguanodons (1822-1922)' by Louis Dollos | 13 December 1922 |
| NLB/61/333 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [George William] Lamplugh Esquire, Chairman of hte Geology Committee and FRS | 21 June 1921 |
| NLB/63/762 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [George William] Lamplugh Esq., FRS | 11 December 1922 |
| NLB/67/469 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr [John] Horne, FRS | 5 January 1925 |
| NLB/67/579 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [George William] Lamplugh, FRS | 23 January 1925 |
| NLB/66/363 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; [George William] Lamplugh Esq, FRS | 16 April 1924 |
| NLB/68/60 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [George William] Lamplugh Esq., FRS | 8 May 1925 |
| NLB/69/836 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Aubrey Strahan, K.B.E., FRS | 29 October 1926 |
| NLB/69/917 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Sir Aubrey Strahan, K.B.E., FRS | 16 November 1926 |
| EC/1905/09 | Lamplugh, George William: certificate of election to the Royal Society | |
| NLB/51/233 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to George William lamplugh FRS | 21 January 1915 |
| NLB/52/706 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor William Johnson Sollas, FRS | 18 February 1916 |
| NLB/53/42 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [George William] Lamplugh Esq.,Chairman of the Geology Committee of the Royal Society and FRS | 21 March 1916 |
| NLB/62/570 | Copy letter from John [Millar] Thomson, Chairman of the Library Committee; to the Members of the Library Committee | 14 March 1922 |
| NLB/60 | New Letter Book volume 60, copy letters sent from Royal Society administration | 2 December 1920-26 April 1921 |
| NLB/68/389 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to [George William] Lamplugh Esq., FRS | 7 July 1925 |