| RefNo | Title | Date |
| EC/1917/15 | Weiss, Frederick Ernest: certificate of election to the Royal Society | |
| IM/004833 | Weiss, Frederick Ernest | nd |
| IM/GA/WS/2757 | Weiss, Frederick Ernest | nd |
| NLB/37/214 | Copy letter from Robert William Frederick Harrison to D [David] M [Meredith] S [Seares] Watson, Geological Department, University of Manchester | 15 February 1908 |
| RR/38/75 | Referee's report by Frederick Ernest Weiss, on a paper 'On the structures and affinities of Ankyropteris corrugata' by H S Holden | July 1929 |
| NLB/58/580 | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to [Messrs Harrison & Sons] | 26 May 1920 |
| NLB/69/177 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Frederick Ernest] Weiss, FRS | 23 January 1926 |
| NLB/63/293 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Frederick Ernest] Weiss, FRS | 09 August 1922 |
| NLB/57/752 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; unknown correspondent | 29 January 1920 |
| RR/61/85 | Referee's report by Frederick Ernest Weiss, on a paper 'The wood anatomy of the family Sterculiaceae' by M M Chattaway | April 1937 |
| NLB/67/268 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Frederick Ernest] Weiss, FRS | 25 November 1924 |
| NLB/67/370 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Frederick Ernest] Weiss, FRS | 10 December 1924 |
| NLB/68/655 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Dr [Henry Hallett] Dale, FRS | 3 October 1925 |
| NLB/68/656 | Copy letter from William Bate Hardy, Secretary of the Royal Society; to Professor [Frederick Ernest] Weiss, FRS | 3 October 1925 |
| NLB/73/390 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Frederick Ernest] Weiss, FRS | 11 September 1931 |
| RR/36/62 | Referee's report by Frederick Ernest Weiss, on a paper 'On the causes and ecological significance of stomatal frequency, with special reference to the woodland flora' by Edward James Salisbury | 18 April 1927 |
| RR/26/114 | Referee's report by Frederick Ernest Weiss, on a paper 'The development of vegetation in the English lakes, considered in relation to the general evolution of glacial lakes and rock basins' by William Harold Pearsall | [May 1921] |
| RR/39/108 | Referee's report by Frederick Ernest Weiss, on a paper 'On Asterochlaenopsis, a new genus of zygopterid tree-ferns from Western Siberia' by Birbal Sahni | [January 1930] |
| RR/53/35 | Referee's report by Frederick Ernest Weiss, on a paper 'On plant-remains from the Silurian of Victoria, Australia, that extend and connect floras hitherto described' by Isabel C Cookson | [November 1934] |
| RR/51/5 | Referee's report by Frederick Ernest Weiss, on a paper 'On a flora, including vascular land plants, associated with Monograptus, in rocks of Silurian age, from Victoria, Australia' by William Henry Lang and Isabel C Cookson | [August 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/64/54 | Referee's report by Frederick Ernest Weiss, on a paper 'A contribution to our knowledge of the wood anatomy of a few plants occurring in Bengal belonging to Meliaceae and Rutaceae' by S Hedayetullah and A K Chakravorty | [January 1937] |
| RR/76/12 | Letter from Frederick Ernest Weiss, on a paper 'The fructification of Czekanowskia and its allies' by Thomas Maxwell Harris, to D C Martin | 4 March 1951 |
| MC/39 | Volume 39 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1925 |
| MC/32/64 | Letter from [Clive] Cuthbertson, 58 Kensington Road Park Road, W 11, to Mr [Robert] Harrison, [Royal Society] | 1 April 1917 |
| MC/32/62 | Letter from [Clive] Cuthbertson, 58 Kensington Road Park Road, W 11, to Mr [Robert] Harrison, [Royal Society] | 18 March 1917 |
| MC/39/111 | Letter from [Frederick Ernest] Weiss, The University, Manchester, to [Francis Alexander] Towle | 29 September 1925 |
| MC/39/112 | Letter from [Frederick Ernest] Weiss, The University, Manchester, to Dale | 29 September 1925 |
| MC/32/63 | Letter from [Clive] Cuthbertson, 58 Kensington Road Park Road, W 11, to Mr [Robert] Harrison, [Royal Society] | 25 March 1917 |
| RR/78/27 | Referee's report by Frederick Ernest Weiss, on a paper 'The morphology of Stauropteris burntislandica and its megasporangium - bensonites fusiformis' by K R Surange | 1 May 1952 |
| RR/76/13 | Referee's report by Frederick Ernest Weiss, on a paper 'The fructification of Czekanowskia and its allies' by Thomas Maxwell Harris | 6 February 1951 |