Recent advances in cytology - Darlington, C. D. (Cyril Dean), 1903 - (P. Blakiston's son & co., inc, 1937)

Recent advances in microscopy; biological applications - MacBride, E. W. (Ernest William), 1866 -1940 (P. Blakiston's son & co., inc, 1931)

Recent progress in the study of variation, heredity, and evolution - Lock, Robert Heath, 1879 -1915 (E. P. Dutton, 1911)

Recent progress in the study of variation, heredity, and evolution - Lock, Robert Heath, 1879 -1915 (Murray, 1920)

Recent progress in the study of variation, heredity, and evolution - Lock, Robert Heath, 1879 -1915 (J. Murray, 1906)

Recent progress in the study of variation, heredity, and evolution - Lock, Robert Heath, 1879 -1915 (E.P. Dutton, 1920)

Recent progress in the study of variation, heredity, and evolution - Lock, Robert Heath, 1879 -1915 (J. Murray, 1916)

Recollections of a happy life : being the autobiography of Marianne North - North, Marianne, 1830 -1890 (Macmillan, 1893)

Recueil d'oeuvres - Errera, Léo Abram, 1858 -1905 (H. Lamertin, 1908)

Recueil d'oeuvres de Léo Errera - Errera, Léo Abram, 1858 -1905 (H. Lamertin, 1908)

Recueil de l'Institut botanique (Université de Bruxelles) - Institut botanique Léo Errera. (Henri Lamertin, 1902)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1907)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1904)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1922)

The relative value of the processes causing evolution - Hagedoorn, Anna Cornelia (M. Nijhoff, 1921)

Reliable, tested seeds, plants, bulbs, tools, &c. : catalogue 1891 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar & Co, 1891)

Reliable tested seeds plants, bulbs, tools, fertilizers, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R. & J. Farquhar, 1892)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1920)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1922)

Report and Proceedings of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1882)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1916)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1920)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1926)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1928)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1938)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1870)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1893)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1905)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1906)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1908)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1911)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1912)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1913)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1914)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1915)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1916)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1917)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1931)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1932)

Report of the Third International Conference 1906 on Genetics : hybridisation (the cross-breeding of genera or species), the cross-breeding of varieties, and general plant-breeding - Royal Horticultural Society (Great Britain) (Royal Horticultural Society, 1907)

Report upon cotton insects, prepared under the direction of the commissioner of agriculture in pursuance of an act of Congress approved June 19, 1878 - Comstock, John Henry, 1849 -1931 (Gov't. print. off, 1879)

Reports and papers on botany - Grisebach, A. (August), 1814 -1879 (Printed for the Ray society, 1846)

Reports to the Evolution Committee - Bateson, William, 1861 -1926 (Harrison & Sons, 1902)

Return / British Museum - British Museum (Natural History) (British Museum, 1890)

Return / British Museum - British Museum (Natural History) (British Museum, 1896)

Reversion in guinea-pigs and its explanation - Castle, William E. (William Ernest), 1867 -1962 (Carnegie Institute of Washington, 1913)

Reversion in guinea-pigs and its explanation : experimental studies of the inheritance of color in mice - Castle, William E. (William Ernest), 1867 -1962 (Carnegie Institution of Washington, 1913)

Revue algologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1974)

Revue générale de botanique (Libraire générale de l'enseignement, 1890)

Revue générale de botanique (Libraire générale de l'enseignement, 1895)

Revue générale de botanique (Libraire générale de l'enseignement, 1905)

Revue générale de botanique (Libraire générale de l'enseignement, 1907)

Revue générale de botanique (Libraire générale de l'enseignement, 1911)

Revue générale de botanique (Libraire générale de l'enseignement, 1919)

Revue générale des sciences pures et appliquées ([s.n.], 1899)

Revue générale des sciences pures et appliquées ([s.n.], 1914)

Revue horticole (Librairie agricole de la maison rustique, 1841)

Revue horticole (Librairie agricole de la maison rustique, 1843)

Revue horticole (Librairie agricole de la maison rustique, 1846)

Revue horticole (Librairie agricole de la maison rustique, 1847)

Revue horticole (Librairie agricole de la maison rustique, 1862)

Revue horticole (Librairie agricole de la maison rustique, 1865)

Revue horticole (Librairie agricole de la maison rustique, 1866)

Revue horticole (Librairie agricole de la maison rustique, 1867)

Revue horticole (Librairie agricole de la maison rustique, 1870)

Revue horticole (Librairie agricole de la maison rustique, 1872)

Revue horticole (Librairie agricole de la maison rustique, 1876)

Revue horticole (Librairie agricole de la maison rustique, 1877)

Revue horticole (Librairie agricole de la maison rustique, 1878)

Revue horticole (Librairie agricole de la maison rustique, 1881)

Revue horticole (Librairie agricole de la maison rustique, 1882)

Revue horticole (Librairie agricole de la maison rustique, 1883)

Revue horticole (Librairie agricole de la maison rustique, 1887)

Revue horticole (Librairie agricole de la maison rustique, 1888)

Revue horticole (Librairie agricole de la maison rustique, 1893)

Revue horticole (Librairie agricole de la maison rustique, 1896)

Revue horticole (Librairie agricole de la maison rustique, 1900)

Revue horticole (Librairie agricole de la maison rustique, 1901)

Revue horticole (Librairie agricole de la maison rustique, 1903)

Revue horticole (Librairie agricole de la maison rustique, 1904)

Revue horticole (Librairie agricole de la maison rustique, 1905)

Revue horticole (Librairie agricole de la maison rustique, 1907)

Revue horticole (Librairie agricole de la maison rustique, 1909)

Revue horticole (Librairie agricole de la maison rustique, 1910)

Revue horticole (Librairie agricole de la maison rustique, 1911)

Revue horticole (Librairie agricole de la maison rustique, 1912)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1938)

Richardson & Gould's seed catalogue. : American Agriculturist Building, no. 245 Broadway, Post Office address, P.O. Box 5134, New York - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perris & Browne, printers, 164 Fulton Street, 1872)

Rivista di biologia (Università di Perugia, etc, 1921)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1894)

Robert J. Halliday's guide & catalogue of all garden supplies vegetable flower & field seeds plants roots vines etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert J. Halliday, 1888)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1945)

The romance of plant life, interesting descriptions of the strange and curious in the plant world - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. B. Lippincott, 1907)

Roses and other plants seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hill & Co, 1888)

Ross Bros. Co. seeds and annual agricultural goods [catalog] : spring 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1911)

Ross Bros. Co seeds, implements, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Brothers Company, 1929)

Ross' seed grows, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1931)

Ross seeds, farm machinery, poultry supplies, insecticides, fertilizers, tools, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1934)

Ross seeds, farm machinery, poultry supplies, insecticides, fertilizers, tools : 1937 edition - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1937)

Ross seeds, fertilizers, farm machinery, insecticides, tools, poultry supplies for 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1935)

Ross seeds, fertilizers, farm machinery, insecticides, tools, poultry supplies for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1936)

Ross' seeds for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1932)

Ross' seeds for 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bro's. Co, 1933)

Rozpravy české akademie císaře Františka Josefa pro vědy, slovesnost a umění. Třída II, Mathematicko-přírodnicka - Česka akademie Císaře Františka Josefa pro vědy slovenost a umění. Třida II: Mathematicko-přírodnická. (1915)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1858)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1861)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1936)

Sammlung schönblühender gewächse für blumen- und gartenfreunde nach lebenden exemplaren des Königlichen botanischen gartens zu Bonn gezeichnet beschrieben und mit genauer anleitung zu ihrer cultur begleitet - Nees von Esenbeck, Theodor Friedrich Ludwig, 1787 -1837 (In der lithographischen anstalt von Arnz & comp, 1831)

Schell's quality seeds : market gardeners' catalogue, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell Incorporated, 1931)

Schriften der Königlichen Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Königliche Physikalisch-Ökonomische Gesellschaft zu Königsberg. (In Commission bei Gräfe und Unzer, 1861)

Schriften der Königlichen Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Königliche Physikalisch-Ökonomische Gesellschaft zu Königsberg. (In Commission bei Gräfe und Unzer, 1863)

Science - American Association for the Advancement of Science. ([s.n.], 1903)

Science - American Association for the Advancement of Science. ([s.n.], 1912)

The science of biology - Beaver, William C. (William Carl), 1896 - (C.V. Mosby Co, 1952)

Science progress (John Murray, 1918)

The Scientific monthly - American Association for the Advancement of Science. (American Association for the Advancement of Science [etc.])

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1913)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1887)

Season of 1888, retail catalogue : garden seeds, plant, bulbs, trees, etc., also Japanese trees, shrubs, etc., field seeds of every description - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.H. Berger & Co, 1888)

Sebrané spisy - Purkyně, Jan Evangelista, 1787 -1869 (Academia, 1918)