| RefNo | Title | Date |
| IM/000471 | Bower, Frederick Orpen | 1889 |
| EC/1891/05 | Bower, Frederick Orpen: certificate of election to the Royal Society | |
| MM/16/44 | Letter from F O Bower, Ripon, to HH Dixon | 4 December 1946 |
| MM/16/43 | Letter from F O Bower, Ripon, to HH Dixon | 22 September 1946 |
| MM/16/42 | Letter from F O Bower, Ripon, to HH Dixon | 10 March 1928 |
| IM/Maull/000470 | Bower, Frederick Orpen | 16 February 1894 |
| NLB/16/194 | Copy letter from Robert William Frederick Harrison, to Professor Michael Foster | 19 February 1898 |
| IM/GA/WS/2374 | Bower, Frederick Orpen | 1937 |
| NLB/6/907 | Copy letter from Theodore E James, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 2 September 1892 |
| NLB/6/896 | Copy letter from Theodore E James, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 15 August 1892 |
| NLB/6/897 | Copy letter from Theodore E James, to Professor Michael Foster | 15 August 1892 |
| NLB/5/790 | Copy letter from Herbert Rix, to Professor Frederick Orpen Bower, [Fellow of the Royal Society] | 13 October 1891 |
| NLB/5/911 | Copy letter from Herbert Rix, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 14 November 1891 |
| NLB/10/960 | Copy letter from Michael Foster, to Professor Frederick Orpen Bower | 15 March 1895 |
| NLB/11/909 | Copy letter from Herbert Rix, to William Turner Thiselton-Dyer, Fellow of the Royal Society | 1 November 1895 |
| NLB/11/899 | Copy letter from Herbert Rix, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 31 October 1895 |
| NLB/11/898 | Copy letter from Herbert Rix, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 29 October 1895 |
| NLB/11/914 | Copy letter from Herbert Rix, to Messrs West, Newman & Company | 5 November 1895 |
| NLB/11/1010 | Copy letter from Herbert Rix, to William Turner Thiselton-Dyer, Fellow of the Royal Society, Royal Gardens, Kew | 15 November 1895 |
| NLB/13/181 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 26 June 1896 |
| NLB/13/41 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 1 June 1896 |
| NLB/13/525 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society, Elmcroft, Ripon | 5 October 1896 |
| NLB/12/579 | Copy letter from Herbert Rix, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 17 March 1896 |
| NLB/13/288 | Copy letter from Robert William Frederick Harrison, to Professor Michael Foster, Secretary, Royal Society | 21 July 1896 |
| NLB/12/530 | Copy letter from Herbert Rix, to Professor Sydney Howard Vines, Fellow of the Royal Society, Headington Hill, Oxford | 6 March 1896 |
| NLB/12/527 | Copy letter from Herbert Rix, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 6 March 1896 |
| NLB/12/851 | Copy letter from Robert William Frederick, to Professor Fredrick Orpen Bower, Fellow of the Royal Society | 18 May 1896 |
| NLB/12/29 | Copy letter from Herbert Rix, to William Turner Thiselton Dyer, Fellow of the Royal Society | 21 November 1895 |
| MC/16/314 | Letter from [Frederick Orpen] Bower, 45 Kersland Terrace, Hillhead, Glasgow, to the Secretary of the Royal Society | 28 May 1896 |
| NLB/12/798 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, 45 Kessland Terrace, Hillhead, Glasgow | 7 May 1896 |
| NLB/6/898 | Copy letter from Theodore E James, to Lord Rayleigh [John William Strutt] | 15 August 1892 |
| RR/16/22 | Referee's report by Isaac Bayley Balfour, on a paper 'Studies in the morphology of spore-producing members. No. V. general comparisons and conclusion' by Professor Frederick Orpen Bower | February 1903 |
| RR/16/23 | Referee's report by Dukinfield Henry Scott, on a paper 'Studies in the morphology of spore-producing members. No. V. general comparisons and conclusion' by Professor Frederick Orpen Bower | 10 March 1903 |
| NLB/16/129 | Copy letter from Robert William Frederick Harrison, to Professor F O Bower, Fellow of the Royal Society | 7 February 1898 |
| NLB/18/558 | Copy letter from Robert William Frederick Harrison, to Professor F O Bower, Fellow of the Royal Society, 45 Kersland Terrace, Hillhead, Glasgow | 29 March 1899 |
| NLB/15/527 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 22 October 1897 |
| NLB/15/157 | Copy letter from Robert William Frederick Harrison, to Professor Isaac Bayley Balfour, Fellow of the Royal Society | 7 July 1897 |
| NLB/15/364 | Copy letter from A H White, to William Turner Thiselton-Dyer, Fellow of the Royal Society | 24 August 1897 |
| NLB/16/199 | Copy letter from Robert William Frederick Harrison, to Professor Bower | 20 February 1898 |
| NLB/15/233 | Copy letter from Robert William Frederick Harrison, to William Turner Thiselton-Dyer, Fellow of the Royal society | 21 July 1897 |
| NLB/15/287 | Copy letter from Robert William Frederick Harrison, to William Turner Thiselton-Dyer, Fellow of the Royal Society | 29 July 1897 |
| NLB/19/448 | Copy letter from Robert William Frederick Harrison, to Professor William Abbott Herdman, Fellow of the Royal Society | 5 October 1899 |
| NLB/26/102 | Copy letter from Robert William Frederick Harrison to, Professor Frederick Orpen Bower, Fellow of the Royal Society | 27 January 1903 |
| NLB/40/815 | Copy letter from Robert William Frederick Harrison to Dr F [Frederick] F [Frost] Blackman FRS, Chairman of the Botany Committee | 31 August 1909 |
| NLB/30/240 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 17 February 1905 |
| NLB/27/186 | Copy letter from Michael Foster, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 15 July 1903 |
| NLB/27/97 | Copy letter from Robert William Frederick Harrison, to Dr Frederick Orpen Bower, Fellow of the Royal Society | 1 July 1903 |
| NLB/27/216 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 21 July 1903 |
| NLB/26/753 | Copy letter from Sir Michael Foster to, Professor Frederick Orpen Bower, Fellow of the Royal Society | 22 May 1903 |
| NLB/32/358 | Copy letter from Robert William Frederick Harrison, to Dr Dukinfield Henry Scott, Fellow of the Royal Society, Chairman of the Botany Sectional Committee | 26 February 1906 |
| NLB/34/624 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 16 February 1907 |
| MM/16/115 | Letter from F O Bower, Cambridge, to W B Hardy | 27 January 1925 |
| NLB/34/513 | Copy letter from Archibald Geikie, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 1 February 1907 |
| NLB/42/169 | Copy letter from Robert William Frederick Harrison to Professor F [Frederick] O [Orpen] Bower FRS | 18 April 1910 |
| NLB/43/378 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 19 December 1910 |
| NLB/48/688 | Copy letter from Robert William Frederick Harrison, to Professor [Frederick Orpen] Bower, Fellow of the Royal Society | 24 September 1913 |
| RR/17/444 | Referee's report by Frederick Orpen Bower, on a paper 'The anatomy and morphology of the leaves and inflorescences of Welwitschia mirabilis' by M G Sykes | 4 October 1909 |
| NLB/54/66 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Frederick Orpen] Bower, FRS | 31 January 1917 |
| NLB/54/185 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Frederick Orpen] Bower, FRS | 26 February 1917 |
| NLB/55/236 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Frederick Orpen] Bower, FRS | 30 January 1918 |
| RR/43/90 | Referee's report by Frederick Orpen Bower, on a paper 'On the spines, sporangia, and spores of Psilophyton princeps, Dawson, shown in specimens from Gaspé' by William Henry Lang | July 1931 |
| RR/9/200 | Referee's report by Isaac Bayley Balfour, on a paper 'On the comparative morphology of the leaf the vascular cryptogams and gymnosperms' by Frederick Orpen Bower | 4 September 1884 |
| RR/9/254 | Referee's report by Isaac Bayley Balfour, on a paper 'On the development and morphology of phylloglossum drummondii' by Frederick Orpen Bower | 20 August 1885 |
| RR/9/199 | Referee's report by Joseph Dalton Hooker, on a paper 'On the comparative morphology of the leaf the vascular cryptogams and gymnosperms' by Frederick Orpen Bower | 24 July 1884 |
| RR/18/86 | Referee's report by Frederick Orpen Bower, on a paper 'The anatomy and morphology of the leaves and inflorescences of Welwitschia mirabilis' by M G Sykes | June 1910 |
| RR/11/230 | Referee's report by William Carruthers, on a paper 'Studies in the morphology of spore-producing members.—Equisetineae and Lycopodinae' by Frederick Orpen Bower | 7 October 1893 |
| RR/11/222 | Referee's report by Frederick Orpen Bower on a paper 'On the organization of the fossil plants of the coal-measures. Part XIX' by William Crawford Williamson | 11 August 1892 |
| RR/13/169 | Referee's report by Isaac Bayley Balfour, on a paper 'Studies in the morphology of spore-producing members.—III. Marattiaceæ' by Frederick Orpen Bower | July 1897 |
| RR/14/119 | Referee's report by Isaac Bayley Balfour, on a paper 'Studies in the morphology of spore-producing members.—No. IV. The leptosporangiate ferns' by Frederick Orpen Bower | nd [May 1899] |
| RR/13/9 | Letter from William Turner Thiselton-Dyer, on a paper 'Studies in the morphology of spore-producing members. Part. II. Ophioglossaceae' by Frederick Orpen Bower to the Secretary of the Royal Society | 21 May 1896 |
| RR/14/118 | Referee's report by Charles Baron Clarke, on a paper 'Studies in the morphology of spore-producing members.—No. IV. The leptosporangiate ferns' by Frederick Orpen Bower | 6 May 1899 |
| RR/13/263 | Referee's report by William Turner Thiselton-Dyer and Frederick Orpen Bower, on a paper 'On the structure and affinities of fossil plants from the palæozoic rocks.— II. On spencerites, a new genus of lycopodiaceous cones from the coal measures, founded on the lepidodendron spenceri of Williamson' by Henry Dukinfield Scott | 21 April 1897 |
| RR/12/271 | Referee's report by William Turner Thiselton-Dyer and Dukinfield Henry Scott, on a paper [attributed] 'Studies in the morphology of spore-producing members.—Equisetineae and Lycopodineae' by Frederick Orpen Bower | [1893] |
| RR/14/92 | Referee's report by Frederick Orpen Bower, on a paper 'On the structure and affinities of fossil plants from the Palaeozoic rocks.—III. On Medullosa anglica, a new representative of the Cycadofilices' by Dukinfield Henry Scott | 9 January 1899 |
| RR/14/237 | Referee's report by Frederick Orpen Bower, on a paper 'On the structure and affinities of Matonia pectinata, R. BR., with notes on the geological history of the Matonineae' by Albert Charles Seward | nd [March 1899] |
| RR/17/443 | Referee's report by Frederick Orpen Boweron a paper 'Studies on the structure and affinities of cretaceous plants' by Marie Stopes and Kenjiro Fujii | June 1909 |
| RR/13/168 | Referee's report by Dukinfield Henry Scott, on a paper 'Studies in the morphology of spore-producing members.—III. Marattiaceæ' by Frederick Orpen Bower | 8 June 1897 |
| NLB/63/793 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Frederick Orpen] Bower, FRS | 18 December 1922 |
| RR/39/109 | Referee's report by Frederick Orpen Bower, on a paper 'On Asterochlaenopsis, a new genus of zygopterid tree-ferns from Western Siberia' by Birbal Sahni | [January 1930] |
| NLB/69/615 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. Frederick Orpen Bower, FRS | 25 June 1926 |
| NLB/69/729 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Frederick Orpen] Bower, FRS | 15 September 1926 |
| NLB/71/273 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Frederick Orpen] Bower, FRS | 9 March 1928 |
| NLB/69/587 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Frederick Orpen] Bower, FRS | 12 June 1926 |
| NLB/70/796 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Frederick Orpen] Bower, FRS | 26 September 1927 |
| NLB/70/916 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary of University College; Hull | 4 November 1927 |
| NLB/6/1012 | Copy letter from Herbert Rix, to Professor Frederick Orpen Bower | 3 October 1892 |
| NLB/8/482 | Copy letter from Herbert Rix, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 3 November 1893 |
| NLB/9/257 | Copy letter from Herbert Rix, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 23 April 1894 |
| NLB/12/867 | Copy letter from Michael Foster, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 21 May 1896 |
| RR/15/250 | Referee's report by Frederick Orpen Bower, on a paper 'The structure and affinities of fossil plants from the palaeozoic rocks. IV.- The seed-like fructification of lepidocarpon, a genus of lycopodiaceous cones from the carboniferous formation' by Dukinfield Henry Scott | March 1901 |
| RR/16/21 | Referee's report by Albert Charles Seward, on a paper 'Studies in the morphology of spore-producing members. No. V. general comparisons and conclusion' by Professor Frederick Orpen Bower | 17 February 1903 |
| NLB/15/693 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society, 45 Kersland Terrace, Hillhead, Glasgow | 17 November 1897 |
| RR/26/3 | Referee's report by Frederick Orpen Bower, on a paper 'On the development and morphology of the leaves of palms' by Agnes Arber | [October 1921] |
| NLB/54/82 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Professor [Frederick Orpen] Bower, FRS | 5 February 1917 |
| RR/9/255 | Referee's report by Sidney Howard Vines, on a paper 'On the development and morphology of phylloglossum drummondii' by Frederick Orpen Bower | 4 October 1885 |
| RR/11/228 | Referee's report by William Turner Thiselton-Dyer, on a paper 'Studies in the morphology of spore-producing members.—Equisetineae and Lycopodinae' by Frederick Orpen Bower | 30 June 1893 |
| RR/29/47 | Referee's report by Frederick Orpen Bower, on a paper 'On Tmesipteris Vieillardi, Dangeard, an erect terrestrial species from new caledonia' by Birbal Sahni | October 1923 |
| NLB/62/650 | Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to Sir William [Henry] Bragg, FRS | 31 March 1922 |
| RR/13/10 | Referee's report by William Turner Thiselton-Dyer, on a paper 'Studies in the morphology of spore-producing members. Part. II. Ophioglossaceae' by Frederick Orpen Bower to the Secretary of the Royal Society | 21 May 1896 |
| NLB/6/928 | Copy letter from Herbert Rix, to Professor Michael Foster | 19 September 1892 |
| MS/928/2/10 | Letter from Frederick Orpen Bower, 2 The Crescent, Ripon, Yorkshire, to Charles Vernon Boys | 15 April 1938 |
| NLB/54 | New Letter Book volume 54, copy letters sent from Royal Society administration | 10 January 1917-2 November 1917 |
| RR/11/229 | Referee's report by Dukinfield Henry Scott, on a paper 'Studies in the morphology of spore-producing members.—Equisetineae and Lycopodinae' by Frederick Orpen Bower | 30 July 1893 |
| RR/11/223 | Second referee's report by Frederick Orpen Bower on a paper 'On the organization of the fossil plants of the coal-measures. Part XIX' by William Crawford Williamson | 9 September 1892 |
| RR/13/12 | Letter from William Turner Thiselton-Dyer, on a paper 'Studies in the morphology of spore-producing members. Part. II. Ophioglossaceae' by Frederick Orpen Bower to the Secretary of the Royal Society | 28 October 1895 |
| PP/4/38 | Paper, 'Preliminary note on the apex of the leaf in Osmunda and Todea. From the Jodrell Laboratory, Royal Gardens, Kew' by F O [Frederick Orpen] Bower | 1884 |
| PP/18/14 | Paper, 'Studies in the morphology of spore-producing members. Preliminary statement on the lycopodinae and ophioglossaceae' by Frederick Orpen Bower | 1891 |
| PP/21/2 | Paper, 'Studies in the morphology of spore-producing members. Preliminary statement on the Equisetaceae [horsetail] and Psilotaceae' by Frederick Orpen Bower | 1893 |
| AP/78/1 | Unpublished paper, 'Studies in the morphology of spore-producing members. Part II: Ophioglossaceae [adder's-tongue]' by F O [Frederick Orpen] Bower | 1895 |
| RR/13/8 | Letter from Frederick Orpen Bower, on his paper 'Studies in the morphology of spore-producing members. Part. II. Ophioglossaceae' to the Secretary of the Royal Society | 5 May 1896 |
| RR/13/11 | Letter from Frederick Orpen Bower, on his paper 'Studies in the morphology of spore-producing members. Part. II. Ophioglossaceae' to the Secretary of the Royal Society | 13 October 1895 |
| RR/14/10 | Referee's report by Frederick Orpen Bower, on a paper 'On the cytological features of fertilization and related phenomena in Pinus silvestris L' by Vernon Herbert Blackman | 26 June 1898 |
| RR/15/204 | Referee's report by Frederick Orpen Bower, on a paper 'The structure & development of the stem in the pteridophyla amd gymnosperms' by Edward C Jeffrey | September 1901 |
| RR/17/167 | Referee's report by Frederick Orpen Bower, on a paper 'Longitudinal symmetry in Phanerogamia' by Percy Groom | [February 1907] |
| RR/31/72 | Referee's report by Frederick Orpen Bower, on a paper 'The Caytoniales, a new group of Angiospermous plants from the Jurassic rocks of Yorkshire' by Hugh Hamshaw Thomas | [July 1924] |
| RR/32/131 | Referee's report by Frederick Orpen Bower, on a paper 'Resin canals in the canadian spruce (Picea canadensis (Mill.) B. S. P.)-An anatomical study, especially in relation to traumatic effects and their bearing on phylogeny' by Robert Boyd Thomson and Harold Boyd Sifton | April 1925 |
| RR/34/103 | Referee's report by Frederick Orpen Bower, on a paper 'The Cretaceous plant-bearing rocks of Western Greenland' by Albert Charles Seward | 2 February 1926 |
| RR/38/134 | Referee's report by Frederick Orpen Bower, on a paper 'On Clepsydropsis australis, a zygopterid tree-fern with a Tempskya-like false stem, from the carboniferous rocks of Australia' by Birbal Sahni | February 1928 |
| RR/46/89 | Referee's report by Frederick Orpen Bower, on a paper 'On the Structure of Zygopteris primaria (Cotta) and on the relations between the genera Zygopteris, Etapteris and Botrychioxvlon' by Birbal Sahni | [July 1932] |
| MC/14/30 | Letter from Frederick Orpen Bower, 34 Brompton Crescent, to [Walter] White | 19 March 1885 |
| MC/16/322 | Letter from [Frederick Orpen] Bower, 45 Kersland Terrace, Hillhead, Glasgow, to the Secretary of the Royal Society | 14 June 1896 |
| MC/14 | Volume 14 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1885-1888 |
| MC/16 | Volume 16 of miscellaneous correspondence regarding business matters, sent to the Royal Society | 1893-1896 |
| MC/16/206 | Letter from [Frederick Orpen] Bower, 45 Kerrsland Terrace, Hillhead, to [Michael] Foster | 22 April 1895 |
| NLB/41/694 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 7 February 1910 |
| NLB/42/524 | Copy letter from Robert William Frederick Harrison to Professor F [Frederick] O [Orpen] Bower FRS | 29 June 1910 |
| NLB/43/44/5 | Copy letter from Robert William Frederick Harrison, to Professor Frederick Orpen Bower, Fellow of the Royal Society | 27 October 1910 |