| RefNo | Title | Date |
| PB/1/33/1/4 | Nobel Prize | 1948 |
| EC/1931/08 | Heilbron, Sir Ian Morris: certificate of election to the Royal Society | |
| MDA/A/25/16/48 | Letter from I M Heilbron, Ministry of Production, Whitehall, SW1, to A V Hill | 4 January 1943 |
| MDA/A/23/143 | Copy letter from John David Griffith Davies, to William Horace Montagu-Pollock, Foreign Office, Whitehall, S.W.1. | 23 August 1945 |
| RR/20/63 | Referee's report by William Jackson Pope, on a paper 'The selective absorption of ketones' by George Gerald Henderson and Ian Morris Heilbron | November 1913 |
| RR/47/54 | Referee's report by Ian Morris Heilbron, on a paper 'On the surface potentials of unimolecular films of ergosterol.— The photochemical formation of vitamin D' by Russel J Fosbinder | 2 November 1932 |
| RR/67/145 | Referee's report by Ian Morris Heilbron, on a paper 'Y-Carotene in the sexual phase of the aquatic fungus Allomyces' by Ralph Emerson and Denis L Fox | 1939 |
| RR/67/49 | Referee's report by Albert Charles Chibnall, on a paper 'The lipochromes and sterols of the algal classes' by P W Carter, Ian Morris Heilbron and Basil Lythgoe | 29 August 1939 |
| RR/71/73 | Referee's report by Felix Eugen Fritsch, on a paper 'Fertilization, including chemotactic phenomena in the Fucaceae' by Alan Hugh Cook, J A Elvidge and Ian Morris Heilbron | [1948] |
| RR/55/125 | Referee's report by Ian Morris Heilbron, on a paper 'A comparison of the absorption spectra of some typical symmetrical cyanine dyes' by Nellie I Fisher and Frances M Hamer | January 1936 |
| RR/61/44 | Referee's report by Iam Morris Heilbron, on a paper 'A comparison of the absorption spectra of some typical unsymmetrical cyanine dyes' by Bernard Beilenson, Nellie I Fisher and Frances M Hamer | July 1937 |
| RR/66/25 | Referee's report by Ian Morris Heilbron, on a paper 'X-Ray crystallography and the chemistry of the steroids. Part I' by John Desmond Bernal, Dorothy Mary Crowfoot Hodgkin and I Fankuchen | 15 May 1940 |
| RR/49/26 | Referee's report by Ian Morris Heilbron, on a paper 'Physico-chemical studies of complex organic molecules. Part II.— Absorption spectra at low temperatures' by Frank Philip Bowden and S D D Morris | [February 1934] |
| RR/49/29 | Referee's report by Ian Morris Heilbron, on a paper 'Physico-chemical studies of complex organic molecules. Part I.— Monochromatic irradiation' by Frank Philip Bowden and C P Snow | [February 1934] |
| RR/69/279 | Referee's report by Ian Morris Heilbron, on a paper 'The differential effect of synthetic growth substances and other compounds upon plant species II. Seed germination and early growth responses to some arylcarbamic esters and related compounds' by W G Templeman and W A Sexton | 1945 |