| RefNo | Title | Date |
| EC/1934/17 | Young, Alfred: certificate of election to the Royal Society | |
| RR/52/147 | Referee's report by Edmund Taylor Whittaker, on a paper 'The application of substitutional analysis to invariants' by Alfred Young | September 1934 |
| RR/63/105 | Referee's report by Alfred Young, on a paper 'On bipartitional functions' by P V Sukhatme | June 1937 |
| RR/52/148 | Referee's report by Herbert Westren Turnbull, on a paper 'The application of substitutional analysis to invariants' by Alfred Young | 30 August 1934 |
| MC/17/132 | Letter from [Alfred] H Young, The Owen College, Manchester, to [Professor Arthur William] Rücker, [Secretary of the Royal Society] | 28 March 1898 |
| AP/73/13 | Unpublished paper, 'The development and morphology of the vascular system in mammals. The posterior end of the aorta and the iliac arteris' by Alfred H Young and Arthur Robinson | 1898 |
| MC/17 | Volume 17 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1897-1899 |
| MS/603/11/154 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to [Joseph] Larmor | 8 January 1925 |
| MS/603/11/155 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to [Joseph] Larmor | 10 January 1925 |
| MS/603/11/156 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to [Joseph] Larmor | 22 January 1925 |
| MS/603/11/157 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to Sir Joseph Larmor | 25 July 1925 |
| MS/603/11/158 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to Sir Joseph Larmor | 29 July 1925 |
| MS/603/11/159 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to Sir Joseph Larmor | 20 August 1925 |
| MS/603/11/160 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to Sir Joseph Larmor | 21 August 1925 |
| MS/603/11/161 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to Sir Joseph Larmor | 28 August 1925 |
| MS/603/11/162 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to Sir Joseph Larmor | 7 October 1925 |
| MS/603/11/163 | Letter from Alfred Young, Birdbrook Rectory, Halstead, Essex, to Sir Joseph Larmor | 28 October 1925 |
| MS/603/11/164 | Letter from Alfred Young, Queen's Hotel, Brighton, to Sir Joseph Larmor | 5 November 1925 |
| MS/603/11/165 | Letter from Alfred Young, Queen's Hotel, Brighton, to Sir Joseph Larmor | 7 November 1925 |