| RefNo | Title | Date |
| RR/67/270 | Referee's report by William Thomas Astbury, on a paper 'The fine structure of phloem fibres I. Untreated and swollen hemp' by B C Kundu and Reginald Dawson Preston | October 1939 |
| RR/54/90 | Second referee's report by George Paget Thomson, on a paper 'The organization of the cell wall of the conifer tracheid' by Reginald Dawson Preston | April 1934 |
| RR/60/49 | Referee's report by George Edward Briggs, on a paper 'The structure of the wall of the green alga Valonia ventricosa' by Reginald Dawson Preston and William Thomas Astbury | November 1936 |
| RR/65/213 | Referee's report by Felix Eugen Fritsch, on a paper 'The structure of the walls of parenchyma in avena coleoptiles' by Reginald Dawson Preston | 10 March 1938 |
| RR/67/6 | Letter from Felix Eugen Fritsch, on a paper 'The structure of the cell wall in some species of the filamentous green alga Cladophora' by William Thomas Astbury and Reginald Dawson Preston to J D Griffith Davies, Assistant Secretary of the Royal Society | 5 April 1940 |
| RR/67/271 | Second referee's report by William Thomas Astbury, on a paper 'The fine structure of phloem fibres I. Untreated and swollen hemp' by B C Kundu and Reginald Dawson Preston | 25 June 1940 |
| RR/67/341 | Referee's report by William Thomas Astbury, on a paper 'The fine structure of phloem fibres II, Untreated and swollen jute' by Reginald Dawson Preston | 1940 |
| RR/68/104 | Letter from William Henry Bragg, to Winckworth, regarding a paper 'The fine structure of collenchyma cells in Heracleum Sphondylium L' by G P Majumdar and Reginald Dawson Preston | 17 June 1941 |
| RR/69/246 | Referee's report by George Edward Briggs, on a paper 'The fine structure of the wall of the conifer tracheid. II. Optical properties of dissected walls in Pinus insignis' by Reginald Dawson Preston | 1946 |
| RR/69/248 | Letter from George Edward Briggs, on a paper 'The fine structure of the wall of the conifer tracheid I. The X-ray diagram of conifer wood' by Reginald Dawson Preston to unknown recipient | 4 September 1945 |
| EC/1954/17 | Preston, Reginald Dawson: certificate of election to the Royal Society | |
| IM/003653 | Preston, Reginald Dawson | November 1984 |
| IM/GA/WS/4635 | Preston, Reginald Dawson | nd |
| RR/69/249 | Referee's report by George Edward Briggs, on a paper 'The fine structure of the wall of the conifer tracheid I. The X-ray diagram of conifer wood' by Reginald Dawson Preston | 1945 |
| RR/67/5 | Referee's report by Felix Eugen Fritsch, on a paper 'The structure of the cell wall in some species of the filamentous green alga Cladophora' by William Thomas Astbury and Reginald Dawson Preston | March 1940 |
| RR/68/105 | Referee's report by Felix Eugen Fritsch, on a paper 'The fine structure of collenchyma cells in Heracleum Sphondylium L' by G P Majumdar and Reginald Dawson Preston | [1941] |
| RR/54/89 | Referee's report by George Paget Thomson, on a paper 'The organization of the cell wall of the conifer tracheid' by Reginald Dawson Preston | February 1934 |
| RR/54/91 | Referee's report by Frederick Ernest Weiss, on a paper 'The organization of the cell wall of the conifer tracheid' by Reginald Dawson Preston | March 1934 |
| RR/65/214 | Referee's report by John Desmond Bernal, on a paper 'The structure of the walls of parenchyma in avena coleoptiles' by Reginald Dawson Preston | March 1938 |
| RR/69/247 | Memorandum from J D Griffith Davies, Assistant Secretary of the Royal Society, on a paper 'The fine structure of the wall of the conifer tracheid I. The X-ray diagram of conifer wood' by Reginald Dawson Preston to Ernest John Maskell | 27 August 1945 |