| RefNo | Title | Date |
| EC/1886/11 | Pye-Smith, Philip Henry: certificate of election to the Royal Society | |
| MM/21/89 | Letter from Philip Henry Pye-Smith to LC Wooldridge | 17 December |
| MM/21/87 | Letter from Philip Henry Pye-Smith to LC Wooldridge | 8 February 1884 |
| MM/21/88 | Letter from Philip Henry Pye-Smith to LC Wooldridge | 21 December 1885 |
| MM/21/90 | Letter from Philip Henry Pye-Smith to LC Wooldridge | 3 November 1888 |
| NLB/1/521 | Copy letter from [Michael Foster], to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 18 July 1887 |
| NLB/6/883 | Copy letter from Herbert Rix, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 29 July 1892 |
| NLB/6/908 | Copy letter from Theodore E James, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 3 September 1892 |
| NLB/7/26 | Copy letter from Herbert Rix, to Dr Philip Henry Pye-Smith | 14 November 1892 |
| NLB/7/690 | Copy letter from Herbert Rix, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 11 April 1893 |
| NLB/7/706 | Copy letter from Herbert Rix, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 12 April 1893 |
| NLB/8/216 | Copy letter from Herbert Rix, to Sir John Evans, Treasurer, Royal Society | 28 July 1893 |
| NLB/9/757 | Copy letter from Herbert Rix, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 9 July 1894 |
| NLB/11/937 | Copy letter from Herbert Rix, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 6 November 1895 |
| NLB/11/949 | Copy letter from Herbert Rix, to Professor Thomas George Bonney, Fellow of the Royal Society | 8 November 1895 |
| NLB/12/6 | Copy letter from Herbert Rix, to Dr Philip Henry Pye Smith, Fellow of the Royal Society | 18 November 1895 |
| NLB/7/147 | Copy letter from Theodore E James, to Messrs Harrison & Sons | 10 December 1892 |
| NLB/32/581 | Copy letter from Robert William Frederick Harrison, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 9 April 1906 |
| NLB/20/803 | Copy letter from Robert William Frederick Harrison, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 12 July 1900 |
| NLB/20/553 | Copy letter from Robert William Frederick Harrison, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 21 May 1900 |
| NLB/21/645 | Copy letter from Robert William Frederick Harrison, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 2 January 1901 |
| NLB/28/476 | Copy letter from Robert William Frederick Harrison, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 14 March 1904 |
| NLB/33/364 | Copy letter from A H White, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 15 August 1906 |
| NLB/41/757 | Copy letter from Robert William Frederick Harrison, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 21 February 1910 |
| IM/Maull/003704 | Pye-Smith, Philip Henry | nd |
| NLB/6/1193 | Copy letter from Herbert Rix, to Dr Theodore Dyke Acland, 74 Brook Street, Grosvenor Square, W. | 8 November 1892 |
| NLB/8/1028 | Copy letter from Herbert Rix, to Dr Henry Woodward, Fellow of the Royal Society | 12 February 1894 |
| NLB/10/733 | Copy letter from Herbert Rix, to Professor Michael Foster | 28 January 1895 |
| PP/10/29 | Paper, 'Note on a new constituent of blood serum' by L C [Leonard Charles] Wooldridge | 1887 |
| PP/20/8 | Printed proof, 'On the estimation of uric acid in urine: a new process by means of saturation with ammonium chloride' by Frederick Gowland Hopkins | 1892 |
| MC/14/252 | Letter from E Calvert, Shrewsbury School, to Michael Foster | 9 July 1887 |
| NLB/1/497 | Copy letter from Michael Foster, to E Calvert, Shrewsbury School | 8 July 1887 |
| MC/14 | Volume 14 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1885-1888 |
| NLB/38/218 | Copy letter from Robert William Frederick Harrison, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 1 July 1908 |
| NLB/38/426 | Copy letter from Robert William Frederick Harrison, to Dr Philip Henry Pye-Smith, Fellow of the Royal Society | 31 July 1908 |