The reptile book; a comprehensive popularised work on the structure and habits of the turtles, tortoises, crocodilians, lizards and snakes which inhabit the United States and northern Mexico - Ditmars, Raymond Lee, 1876 -1942 (Doubleday, Page, 1915)

The reptile book, a comprehensive popularised work on the structure and habits of the turtles, tortoises, corcodilians, lizards and snakes which inhabit the United States and Northern Mexico - Ditmars, Raymond Lee, 1876 -1942 (Doubleday, 1920)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1906)

Results of the third joint US-USSR Bering & Chukchi Seas expedition (BERPAC) : Summer 1988 - U.S. Fish; Wildlife Service (U.S. Fish and Wildlife Service, 1992)

Retail descriptive catalogue : gladiolus - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Seabrook Nurseries, 1951)

Retail list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pross Glad Gardens, 1939)

Retail price list 1951 : springtime money-saving special - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter J. Vandenberg & Sons, 1951)

Retail price list for 1938-9 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.A. Hullibarger, 1938)

Retail price list of bulbs, plants from Giese's Bulb and Flower Garden : fall 1934, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.L. Giese, 1934)

Retail spring catalog 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Bourgondien Bros, 1955)

Return / British Museum - British Museum (Natural History) (British Museum, 1856)

Return / British Museum - British Museum (Natural History) (British Museum, 1911)

Reuter's : 1959 spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reuter Seed Co., Inc, 1959)

A revised subgeneric classification of short-tailed opossums (Didelphidae, Monodelphis) - Pavan, Silvia E (American Museum of Natural History, 2016)

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)

A revision of extant Greater Antillean bats of the genus Natalus - Silva-Taboada, Gilberto (American Museum of Natural History, 2005)

A revision of the genusAnthurium (Araceae) of Mexico and Central America Part II Panama - Croat, Thomas B. (Missouri Botanical Garden, 1986)

Revista Brasileira (1860)

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

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1895)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1893)

Revue encyclopédique (1824)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1862)

Revue générale de botanique (Libraire générale de l'enseignement, 1914)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 2010)

Revue zoologique - Société Cuvierienne. (Société cuvierienne, 1848)

Reynolds's Universal Atlas. 400 maps & diagrams - Reynolds, James. (J. Reynolds, 1878)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1965)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1972)

Rhopalocera exotica ; being illustrations of new, rare, and unfigured species of butterflies - Kirby, W. F. (William Forsell), 1844 -1912 (Gurney & Jackson, 1897)

Rhopalocera Malayana :a description of the butterflies of the Malay Peninsula : with 46 coloured plates and 129 woodcuts - Distant, William Lucas, 1845 -1922 (W.L. Distant, 1882)

Rhopalocera Malayana : a description of the butterflies of the Malay peninsula - Distant, William Lucas, 1845 -1922 (W.L. Distant, 1882)

The Rhopalocera of Java - Piepers, M. C. (Marinus Cornelis), 1835 -1919 (M. Nijhoff; [etc., etc.], 1909)

Ribbon glads, 1947 : modern ribbons of color, featuring Kelsey, Silver wings, Summer gal - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ben B. Ruehr, 1947)

Rich's - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rich & Sons Nursery, 1956)

Rivista di biologia (Università di Perugia, etc, 1919)

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)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1903)

Rivista Periodica dei Lavori della I.R. Accademia di Scienze, Lettere ed Arti di Padova - Accademia di scienze, lettere ed arti di Padova. (1858)

Robson quality seeds 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robson Seed Farms, 1948)

Robson quality seeds 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robson Seed Farms, 1949)

The rod in India : being hints how to obtain sport, with remarks on the natural history of fish, their culture, and value : and illustrations of fish and tackle - Thomas, Henry Sullivan. (Hamilton, Adams, 1881)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1980)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1985)

Die Rohstoffe des Pflanzenreiches versuch einer technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1873)

Die Rohstoffe des Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1914)

Romacres superior gladiolus - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.B. Romaker, 1952)

Romacres : superior gladiolus 1950 retail price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H. B. Romaker, 1950)

Roses, dahlias, peonies, iris, gladioli, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillcrest Roseries, 1933)

Roses, dahlias, peonies, iris, gladioli, evergreens, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hillcrest Roseries, 1934)

Ross seeds of quality, spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ross Bros. Co, 1952)

Rovartani lapok : havi folyóirat különös tekintettel a hasznos és kártékony rovarokra - Magyar Entomologiai Társaság. (Magyar Entomologiai Társaság, 1884)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1880)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1883)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1921)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1935)

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1941)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1947)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1954)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1910)

Rust, smut, mildew, & mould : an introduction to the study of microscopic fungi - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (R. Hardwicke, 1872)

Save! on Germain's 81st anniversary spring specials! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Germain's, 1952)

Savings for you on gladiolus bulbs : by taking advantage of prices offered in this list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lewis E. Beals, 1952)

The Scale - Systematic Entomology Laboratory (U.S.) (Systematic Entomology Lab, 1983)

Schedulae Orchidianae no. 1-10 - Ames, Oakes, 1874 -1950 ([Earnshaw Press Corp.], 1930)

Scheepers' color guide to beauty from bulbs : spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Scheepers, Inc, 1951)

Die Schmetterlinge der Schweiz - Müller-Rutz, J. (K.J. Wyss, 1911)

Die Schmetterlinge Deutschlands mit besonderer Berücksichtigung ihrer Biologie - Eckstein, Karl, 1859 -1930 (K.G. Lutz' Verlag, 1920)

Die Schmetterlinge Europas - Hofmann, Ernst, 1837 -1892 (E. Schweizerbart, 1908)

Schmetterlingsbuch; oder Allgemeine naturgeschichte der Schmetterlinge und besondere der europäischen Gattungen; nebst einer vollständigen Anweisung zum Fang, zur Erziehung, Zubereitung, Aufgewahrung, und überhaupt zu allen dem Sammler nöthigen Dingen - Berge, Fr. (Friedrich), 1811 -1883 (Thienemann's Verlag, 1863)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1904)

Schweizerische Blätter für Ornithologie : Geflügel-Tauben- und Kaninchenzucht - Schweizerischer Geflügelzucht-Verein. (Schweizerischer Geflügelzucht-Verein, 1917)

Science - American Association for the Advancement of Science. ([s.n.], 1919)

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1899)

Scott's garden guide for 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Co, 1955)

Scott's seeds : 1876-1951 our 75th anniversary year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1951)

Scott's seeds 1949 : Pittsburgh's complete garden store - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1949)

Scott's seeds 1950 : the best seeds for farm and garden : vegetables fresh from your own garden : Pittsburgh's complete garden store - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1950)

Scott's seeds 1952 : established 1876, 76th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Company, 1952)

Scott's seeds for 1953 : mail and telephone orders - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Co, 1953)

Scott's seeds for 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.W. Scott Co, 1954)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1881)

Season 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Taylor Gardens, 1950)

Season 1951 : growers of choice gladiolus - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Taylor Gardens, 1951)

Season 1952 : growers of choice gladiolus - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Taylor Gardens, 1952)

Season 1953 : growers of choice gladiolus - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Taylor Gardens, 1953)

Season 1954 : growers of choice gladiolus - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Taylor Gardens, 1954)

Secondary sexual characters in Lepidoptera - Tutt, James William, 1858 -1911 (The Author, 1892)

Seed annual, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1940)

Seed annual, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1941)

Seed annual, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1942)

Seed annual, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1943)

Seed annual, 1944 : garden for victory - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1944)

Seed annual 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1950)

Seed annual for 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1945)

Seed annual for 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1946)

Seed annual for 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1948)

Seed annual for 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1951)

Seed annual for 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1952)

Seed annual for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1953)

Seed annual for 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1954)

Seed catalog and planting guide for 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aabling Boyce Seed Co, 1918)

Seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Elliott & Sons, 1907)

Seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Elliott & Sons, 1908)

Seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Elliott & Sons, 1910)

Seeds, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Hart Seed Co, 1934)

Seeds 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Garden Center, 1949)

Seeds 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Garden Center, 1950)

Seeds 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Garden Center, 1951)

Seeds and bulbs, jiffy-pots : summer 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. J. Ball, Inc, 1957)

Seeds, bulbs, plants, 1949 catalog : poultry supplies & sundries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Co, 1949)

Seeds, bulbs, plants, 1950 catalog : poultry supplies & sundries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Company, Inc, 1950)

Seeds, bulbs, plants, fertilizers, insecticides and garden supplies : spring 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Howard French, 1951)

Seeds, bulbs, plants, fertilizers, insecticides and garden supplies : spring 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Howard French, 1952)

Seeds, bulbs, plants, fertilizers, insecticides and garden supplies : spring 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Howard French, 1953)

Seeds, bulbs, plants, fertilizers, insecticides and garden supplies : spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Howard French, 1954)

Seeds, bulbs, plants, fertilizers, insecticides and garden supplies : spring 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Howard French, 1956)

Seeds, bulbs, plants, fertilizers, insecticides and garden supplies : spring 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Howard French, 1957)

Seeds, bulbs, plants, fertilizers, insecticides and garden supplies : spring 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Howard French, 1958)

Seeds, bulbs, plants, fertilizers, insecticides and garden supplies : spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Howard French, 1955)

Seeds, bulbs, plants, poultry supplies & sundries : 1947 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Co, 1947)

Seeds, bulbs, plants, poultry supplies & sundries : 1948 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perry Seed Co, 1948)

Seeds, bulbs, plants, spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andrew R. Kennedy, Inc, 1942)

Seeds for summer sowing 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.S. Skidelsky & Co., Inc, 1950)

Seeds, plants, bulbs and garden supplies : spring, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Don Seed and Bulb Corp, 1939)

Seeds, plants, bulbs, florist supplies : spring 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alec Henderson, Inc, 1949)

Seeds, plants, trees - Payne, Theodore. (Theodore Payne, 1914)

Seeking the best ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McHutchison & Company, 1948)

Select extra-tropical plants readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (Off. of the superintendent of government printing, 1880)

Select extra-tropical plants readily eligible for industrial culture or naturalisation, with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (Off. of the Superintendent of Government Printing, 1880)

Select extra-tropical plants readily eligible for Victorian industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (J. Ferres, 1885)

A selection of best sellers from Rayner's 44 page berry book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rayner Bros Inc, 1949)

A selection of the correspondence of Linnaeus and other naturalists, from the original manuscripts - Smith, James Edward, 1759 -1828 (Longman, Hurst, Rees, Orme, and Brown, 1821)

sen lin you hai dong wu bian lan - Pavlovskiĭ, E. N. (Evgeniĭ Nikanorovich) 1884 -1965 (ke xue chu ban she, 1957)

Serket = Sarkat - El-Hennawy, Hisham Kamal El-Din 1955 - ([Hisham K. El-Hennawy], 1992)

Shade trees, shrubs (windbreak and ornamental), berries (the kind I sell in season), evergreens, perennial garden plants, perennial flowers, vines and bulbs, annual garden plants, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paulsen Nursery, 1950)

Shade trees, shrubs (windbreak and ornamental), berries (the kind I sell in season), evergreens, perennial garden plants, perennial flowers, vines and bulbs, annual garden plants, 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paulsen Nursery, 1951)

Shanunga Iris Gardens, 1937 : selected varieties and originations of bearded iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shanunga Iris Gardens, 1937)

Shaw-strain seeds, new flower creations : 1932 wholesale listings - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shaw's Hybridizing Gardens, Ltd, 1932)

Shenandoah Valley seed news, 1911, 1952 : 41 years of seed service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wetsel Seed Co, 1952)

Shenandoah Valley seed news, 1911, 1953 : 42 years of seed service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wetsel Seed Company, 1953)

Shenandoah Valley seed news, 1911, 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wetsel Seed Company, 1954)

Shenandoah Valley seed news, 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wetsel Seed Company, 1955)

shi yong zhi wu tu shuo 实用植物图说 - Zhu, Xifang 朱羲方 (xin xue hui she 新学会社, 1920)

Short-horn cattle : a series of historical sketches, memoirs and records of the breed and its development in the United States and Canada - Sanders, Alvin Howard, 1860 -1948 (Sanders, 1909)

Short-horn cattle; a series of historical sketches, memoirs and records of the breed and its development in the United States and Canada - Sanders, Alvin Howard, 1860 -1948 (Sanders publishing co, 1900)