Reisen in Britisch-Guiana in den Jahren 1840-1844 : nebst einer Fauna und Flora Guiana's nach Vorlagen von Johannes Müller, Ehrenberg, Erichson, Klotzsch, Troschel, Cabanis und Andern - Ehrenberg, Christian Gottfried, 1795 -1876 (J. J. Weber, 1847)

Répertoire des noms génériques mentionnés dans l'Index kewensis et ses quinze premiers suppléments = Guide to the generic names appearing in the Index Kewensis and its fifteen supplements = Repertorio de los nombres genericos enumerados en el Index Kewensis y sus quince suplementos = Repertorium der im Index Kewensis und seinen fuenfzehn ersten Supplementen erwaehnten Gattungsnamen - Rouleau, Ernest 1916 -1991 (Châtelain, 1981)

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

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1919)

Report - Singapore Agri-Horticultural Society. (Printed at the Straits Times Press, 1866)

Report - Western Committee on Crop Pests. (Agriculture Canada Research Station, 1992)

Report - Field Museum of Natural History. (The Museum, 1969)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1900)

Report on Natal Botanic Gardens and Colonial Herbarium for the year ... - Wood, John Medley, 1827 -1915 ([Durban Botanic Society], 1898)

Retail catalogue : cacti, succulents, house plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shoreline Nurseries Inc, 1956)

Retail price list, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy F. Wilcox & Co, 1939)

Retail price list, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy F. Wilcox & Co, 1940)

Retail price list, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy F. Wilcox & Co, 1941)

Retail price list, fall, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy F. Wilcox & Co, 1948)

Retail price list, fall, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy F. Wilcox & Co, 1949)

Retail price list, fall1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Roy F. Wilcox & Co, 1941)

Retail price list : spring-summer 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Saint Mary Nurseries Company, 1941)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1916)

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1922)

Revisio generum plantarum vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum, mit erläuterungen - Kuntze, Otto, 1843 -1907 (A. Felix [etc., etc.], 1891)

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1891)

Revista de la Facultad de Letras y Ciencias - Universidad de La Habana. Facultad de Letras y Ciencias. (Universidad de La Habana, 1905)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1889)

Revue générale de botanique (Libraire générale de l'enseignement, 1894)

Revue générale de botanique (Libraire générale de l'enseignement, 1917)

Revue générale de botanique (Libraire générale de l'enseignement, 1918)

Revue générale des sciences pures et appliquées ([s.n.], 1896)

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, 1868)

Revue horticole (Librairie agricole de la maison rustique, 1869)

Revue horticole (Librairie agricole de la maison rustique, 1873)

Revue horticole (Librairie agricole de la maison rustique, 1874)

Revue horticole (Librairie agricole de la maison rustique, 1875)

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, 1879)

Revue horticole (Librairie agricole de la maison rustique, 1880)

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, 1884)

Revue horticole (Librairie agricole de la maison rustique, 1885)

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

Revue horticole (Librairie agricole de la maison rustique, 1889)

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

Revue horticole (Librairie agricole de la maison rustique, 1894)

Revue horticole (Librairie agricole de la maison rustique, 1829)

Revue horticole (Librairie agricole de la maison rustique, 1897)

Revue horticole (Librairie agricole de la maison rustique, 1898)

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

Revue horticole (Librairie agricole de la maison rustique, 1908)

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 horticole (Librairie agricole de la maison rustique, 1913)

Revue horticole (Librairie agricole de la maison rustique, 1914)

Rheinisches Jahrbuch für Gartenkunde und Botanik (E. Strauss, 1883)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1960)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1976)

Riegelmeier's 1949, 1950 : price and check list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Riegelmeier, 1949)

Robert Craig Company, Inc., Norwood, Delaware County, Pennsylvania : established June, 1856, the 97th year of continuous Craig ownership, management - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1952)

Robert Craig Company, Norwood, Delaware County, Pa. : 1856, our second century of knowing and growing what the public prefers, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1958)

Robert Craig Company, Norwood, Delaware County, Pa. : 1856, 1959, February 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1959)

Robert Craig Company, Norwood, Delaware County, Pa. 1856, 1955 : our 99th year of knowing and growing what the public prefers : February 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1955)

Robert Craig Company, Norwood, Delaware County, Pa. 1856, 1956 : September 1956 : our 101st year of knowing and growing what the public prefers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1956)

Robert Craig Company, Norwood, Delaware County, Pa. 1856, 1956 : our 100th year of knowing and growing what the public prefers : February 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1956)

Robert Craig Company, Norwood, Delaware County, Pa. 1856, 1954 : our 98th year of knowing and growing what the public prefers : February 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1954)

Robert Craig Company, Norwood, Delaware County, Pa. : established June, 1856, the 99th year of continuous Craig ownership, management : Thanksgiving, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1954)

Robert Craig Company, Norwood, Delaware County, Pa. : our second century of knowing and growing what the public prefers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1957)

Robert Craig Company, Norwood, Delaware County, Pa. : September 1954 : the 99th year of continuous Craig ownership-management - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1954)

Robert Craig Company, Norwood, Delaware County, Pa. : September 1955 : our 100th year of continuous Craig ownership-management - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1955)

Robert Craig Company, Norwood, Delaware County, Penna. : established June, 1856, the 97th year of continuous Craig ownership, management : September, 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1953)

Robert Craig Company, Norwood, Delaware County, Penna. : established June, 1856, the 97th year of continuous Craig ownership, management : September, 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1952)

Robert Craig Company Norwood, Delaware County, Pennsylvania : a century of growing : 1856-1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Craig Company, 1956)

Robert J. Halliday's descriptive wholesale circular : for the trade only of new and rare plants, all garden and greenhouse supplies, etc. for the spring of 1889 - Halliday, Robert J., 1865 -1945 (Robert J. Halliday, 1889)

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, 1954)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1957)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1971)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1979)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2005)

Roehrs Nursery : at the sign of the tree : [catalog] - Roehrs, Julius, Company. (Julius Roehrs Co, 1916)

Royal Palm Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, Reasoner Bros, 1904)

Royal Palm Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, Reasoner Bros, 1903)

Royal Palm Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reasoner Bros, 1906)

Royal Palm Nurseries : 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reasoner Bros, 1907)

Royal Palm Nurseries : native and exotic plants, trees, shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reasoner Brothers, 1905)

Rumphia, sive, Commentationes botanicæ imprimis de plantis Indiæ Orientalis : tum penitus incognitis tum quæ in libris Rheedii, Rumphii, Roxburghii, Wallichii aliorum recensentur / scripsit C.L. Blume cognomine Rumphius - Blume, C. L. (Carl Ludwig), 1796 -1862 ([s.n.], 1835)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1937)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1977)

Samen-Tauschliste - Schwabe, Willmar. (Arzneipflanzen-Lehr- und Versuchsgarten des wissenschaftlichen Laboratoriums Dr. Willmar Schwabe, 1938)

Samen-Tauschliste - Schwabe, Willmar. (Arzneipflanzen-Lehr- und Versuchsgarten des wissenschaftlichen Laboratoriums Dr. Willmar Schwabe, 1941)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1949)

Schedule of prizes offered by the Massachusetts Horticultural Society - Massachusetts Horticultural Society (The Society, 1867)

Science - American Association for the Advancement of Science. ([s.n.], 1892)

Science - American Association for the Advancement of Science. ([s.n.], 1880)

The Scottish botanical review - Botanical Society of Edinburgh. (Neill & Co, 1912)

Seasonal offer : autumn 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Raymond A. Fleck, Inc, 1948)

Seeds and plants imported during the period from December, 1903, to December, 1905; inventory no. 11, nos.9897 to 16796 ... - United States. Bureau of Plant Industry. (Gov't. Print. Off, 1907)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1907)

Seeds bulbs, and plants, American and European novelties : wholesale price lists for florists, seedsmen and nurserymen, spring edition 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Bulb Company, 1939)

Seeds, bulbs, plants, florists accessories : spring edition 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (American Bulb Company, 1941)

Seeds, plants & bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1897)

Seeds, plants & bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, United States Nurseries, 1896)

La Semaine horticole ([s.n.], 1897)

La Semaine horticole ([s.n.], 1898)

La Semaine horticole et revue des cultures coloniales ([s.n.], 1899)