| RefNo | Title | Date |
| EC/1893/16 | Worthington, Arthur Mason: certificate of election to the Royal Society | |
| NLB/22/166 | Copy letter from Robert William Frederick Harrison, to Professor [Arthur Mason] Worthington, Fellow of the Royal Society | [March 1901] |
| NLB/6/314 | Copy letter from Herbert Rix, to Professor Arthur Mason Worthington | 11 April 1892 |
| NLB/7/1059 | Copy letter from Theodore E James, to Messrs Harrison & Sons | 24 June 1893 |
| NLB/6/607 | Copy letter from Herbert Rix, to Messrs West, Newman & Company | 10 June 1892 |
| NLB/6/529 | Copy letter from Herbert Rix, to Professor [Arthur Mason] Worthington | 28 May 1892 |
| NLB/8/469 | Copy letter from Herbert Rix, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 2 November 1893 |
| NLB/10/272 | Copy letter from Herbert Rix, to Messrs Harrison & Sons | 5 November 1894 |
| NLB/9/343 | Copy letter from Herbert Rix, to Professor Arthur Mason Worthington, Fellow of the Royal Society, 6 Osborn Villas, Devonport, Devon | 1 May 1894 |
| NLB/9/472 | Copy letter from Herbert Rix, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 24 May 1894 |
| NLB/11/662 | Copy letter from an unknown correspondent, to Messrs Harrison & Sons | [September 1895] |
| NLB/13/95 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 9 June 1896 |
| NLB/18/846 | Copy letter from Robert William Frederick Harrison, to Professor A M Worthington, Fellow of the Royal Society | 30 May 1899 |
| NLB/12/110 | Copy letter from Herbert Rix, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 9 December 1895 |
| NLB/13/117 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, [Fellow of the Royal Society], Sale Lodge, Sale, near Manchester | 17 June 1896 |
| NLB/13/188 | Copy letter from Robert William Frederick Harrison, to Lord Rayleigh [John William Strutt] | 27 June 1896 |
| NLB/13/498 | Copy letter from Robert William Frederick Harrison, to The Direct Photo-Engraving Company | 29 September 1896 |
| NLB/12/505 | Copy letter from [Herbert Rix] to the Direct Photo-Engraving Company, 38 Farringdon Street, E.C. | 3 March 1896 |
| NLB/13/422 | Copy letter from A H White, to the Direct Photo-Engraving Company | 31 August 1896 |
| NLB/13/475 | Copy letter from Robert William Frederick Harrison, to The Direct-Photo Engraving Company | 23 September 1896 |
| NLB/13/479 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society, 21 Stoke Terrace, Devonport | 24 September 1896 |
| NLB/13/532 | Copy letter from Robert William Frederick Harrison, to Direct Photo-Engraving Company | 3 October 1896 |
| NLB/13/625 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 20 October 1896 |
| NLB/13/617 | Copy letter from Robert William Frederick Harrison, to The Manager, Photo-Engraving Company | 17 October 1896 |
| NLB/13/669 | Copy letter from Robert William Frederick Harrison, to The Direct Photo-Engraving Company Limited | 31 October 1896 |
| NLB/13/657 | Copy letter from Robert William Frederick Harrison, to the Manager, Direct Photo-Engraving Company | 28 October 1896 |
| NLB/13/686 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 4 November 1896 |
| NLB/12/704 | Copy letter from Herbert Rix, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 15 April 1896 |
| NLB/12/111 | Copy letter from Herbert Rix, to Lord Rayleigh [John William Strutt], [Royal Society] | 9 December 1895 |
| NLB/14/194 | Copy letter from A H White, to the Direct Photo Engraving Company | 19 January 1897 |
| NLB/12/722 | Copy letter from Herbert Rix, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 17 April 1896 |
| NLB/14/56 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 18 December 1896 |
| NLB/14/74 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 22 December 1896 |
| NLB/14/540 | Copy letter from Arthur William Rucker, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 25 March 1897 |
| NLB/14/204 | Copy letter from A H White, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 22 January 1897 |
| NLB/14/320 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society, 6 Osborne Villas, Devonport | 15 February 1897 |
| NLB/14/290 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society, 6 Osborne Villas, Devonport | 10 February 1897 |
| NLB/14/229 | Copy letter from Arthur William Rucker, to Arthur Mason Worthington, [Fellow of the Royal Society] | 26 January 1897 |
| NLB/14/278 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society, 6 Osborne Villas, Devonport | 8 February 1897 |
| NLB/14/436 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 11 March 1897 |
| NLB/14/573 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 30 March 1897 |
| NLB/14/776 | Copy letter from Robert William Frederick Harrison, to the Manager, Direct Photo-Engraving Company | 14 May 1897 |
| NLB/18/44 | Copy letter from Robert William Frederick Harrison, to W J Lark | 5 January 1899 |
| NLB/18/827 | Copy letter from Theodore E James, to Messrs Harrison & Sons | 29 May 1899 |
| NLB/24/240 | Copy letter from Theodore E James, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 10 April 1902 |
| NLB/19/107 | Copy letter from Arthur William Rucker, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 21 June 1899 |
| NLB/19/83 | Copy letter from Arthur William Rucker, to Professor Arthur Mason Worthington, [Fellow of the Royal Society] | 15 June 1899 |
| NLB/19/243 | Copy letter from Arthur William Rucker, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 19 July 1899 |
| NLB/19/490 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 13 October 1899 |
| NLB/19/523 | Copy letter from Robert William Frederick Harrison, to the Collotype & General Printing Company | 24 October 1899 |
| NLB/19/520 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 23 October 1899 |
| NLB/19/554 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 31 October 1899 |
| NLB/20/418 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 24 April 1900 |
| NLB/20/440 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 26 April 1900 |
| NLB/20/479 | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] | 30 April 1900 |
| NLB/20/648 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 9 June 1900 |
| NLB/23/1/20 | Copy letter from Theodore E James, to Professor Arthur Mason Worthington, Fellow of the Royal Society, Mohun's, Tavistock | 15 August 1901 |
| NLB/23/1/119 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 26 September 1901 |
| NLB/23/1/284 | Copy letter from Robert William Frederick Harrison, to Arthur Mason Worthington, Fellow of the Royal Society | 21 October 1901 |
| NLB/23/1/503 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 22 November 1901 |
| NLB/54/106 | Copy letter from Joseph John Thomson, President of the Royal Society; to Mrs Worthington, [Wife of Professor Arthur Mason Worthington, FRS] | 7 February 1917 |
| NLB/35/516 | Copy letter from Robert William Frederick Harrison, to Herbert Birkett, 197 Edgware Road, W. | 7 June 1907 |
| NLB/40/115 | Copy letter from Robert William Frederick Harrison to A [Arthur] M [Mason] Worthington, Mohuns, Tavistock | 19 April 1909 |
| NLB/43/560 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 11 February 1911 |
| NLB/38/280 | Copy letter from Joseph Larmor, to [Arthur Mason] Worthington, Fellow of the Royal Society | 8 July 1908 |
| NLB/40/831 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 8 September 1909 |
| NLB/47/137 | Copy letter from Robert William Frederick Harrison to Professor A [Arthur] M [Mason] Worthington FRS | 6 December 1912 |
| NLB/47/323 | Copy letter from Robert William Frederick Harrison to Prof A [Arthur] M [Mason] Worthington FRS | 15 January 1913 |
| NLB/51/537 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society tp Professor Arthur Mason Worthington FRS | 20 April 1915 |
| NLB/51/783 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor Arthur Mason Worthington CB, FRS | 28 June 1915 |
| NLB/51/785 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor Arthur Mason Worthington CB, FRS | 29 June 1915 |
| NLB/54/87 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Arnold William] Reinold, FRS | 5 February 1917 |
| NLB/54/168 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Robert Bellamy] Clifton, FRS | 23 February 1917 |
| NLB/54/257 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Herbert Hall] Turner, FRS | 16 March 1917 |
| RR/9/106 | Referee's report by Charles Tomlinson, on a paper 'On impact with a liquid surface' by Arthur Mason Worthington | 14 April 1882 |
| RR/9/105 | Referee's report by William Grylls Adams, on a paper 'On impact with a liquid surface' by Arthur Mason Worthington | 3 April 1882 |
| AP/63/5/2 | Unpublished diagrams, geometrical diagrams by Arthur Mason Worthington | 1884 |
| RR/11/224 | Referee's report by Charles Vernon Boys, on a paper 'On the mechanical stretching of liquids: an experimental determination of the volume-extensibility of ethyl-alcohol' by Arthur Mason Worthington | 1 March 1892 |
| RR/13/159 | Referee's report by Charles Vernon Boys, on a paper 'Impact with a liquid surface, studied by the aid of instantaneous photography' by Arthur Mason Worthington and R C Cole | 6 December 1895 |
| RR/14/280 | Referee's report by Joseph John Thomson, on a paper 'Impact with a liquid surface studied by the aid of instantaneous photography. Paper II' by Arthur Mason Worthington and R S Cole | nd [May 1899] |
| NLB/57/792 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor WH [William Henry] Bragg, FRS, CBE | 6 February 1920 |
| NLB/57/861 | Copy letter from Edwin Deller, Acting Assistant Secretary of the Royal Society; to Professor WH [Sir William Henry] Bragg, FRS, OBE | 25 February 1920 |
| NLB/38/658 | Copy letter from Robert William Frederick Harrison, to Arthur Mason Worthington, Fellow of the Royal Society | 19 October 1908 |
| NLB/9/402 | Copy letter from Herbert Rix, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 11 May 1894 |
| NLB/13/427 | Copy letter from A H White, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 2 September 1896 |
| NLB/12/863 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 21 May 1896 |
| NLB/14/198 | Copy letter from A H White, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 20 January 1897 |
| NLB/14/261 | Copy letter from Arthur William Rucker, to Professor Arthur Mason Worthington, Fellow of the Royal Society | [26 January 1897] |
| NLB/14/849 | Copy letter from Robert William Frederick Harrison, to the Manager, Direct Photo-Engraving Company | 28 May 1897 |
| NLB/21/24 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 17 July 1900 |
| RR/11/225 | Referee's report by William Ramsay, on a paper 'On the mechanical stretching of liquids: an experimental determination of the volume-extensibility of ethyl-alcohol' by Arthur Mason Worthington | 10 March 1892 |
| NLB/13/105 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society, Sale Lodge, Sale, near Manchester | 15 June 1896 |
| PP/2/24 | Paper, 'On impact with a liquid surface' by Arthur Mason Worthington | 1882 |
| PP/2/24/1 | Manuscript, 'On impact with a liquid surface' by Arthur Mason Worthington | 1882 |
| PP/2/24/2 | Figures, impact with a liquid surface by Arthur Mason Worthington | 1882 |
| PP/2/24/3 | Letter, regarding 'On impact with a liquid surface' from Arthur Mason Worthington to Walter White | 8 July 1882 |
| RR/14/281 | Referee's report by Charles Vernon Boys, on a paper 'Impact with a liquid surface studied by the aid of instantaneous photography. Paper II' by Arthur Mason Worthington and R S Cole | nd [May 1899] |
| AP/63/5 | Unpublished paper, 'On the surface forces in fluids' by A M [Arthur Mason] Worthington | 1884 |
| AP/63/5/1 | Unpublished manuscript, 'On the surface forces in fluids' by A M [Arthur Mason] Worthington | 1884 |
| NLB/37/802 | Copy letter from Robert William Frederick Harrison to Professor A [Arthur] M [Mason] Worthington, Fellow of the Royal Society | 18 May 1908 |
| NLB/38/231 | Copy letter from Robert William Frederick Harrison, to Professor Arthur Mason Worthington, Fellow of the Royal Society | 2 July 1908 |