Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1920)

Rivista di patologia vegetale - Istituto di patologia vegetale (Università di Milano) (Tipografia del Seminario, 1923)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1892)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1888)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1890)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 1937)

Rootrots and leafspots of grains and grasses in the northern Great Plains and western states - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1946)

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

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

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1952)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1904)

Rust research in Canada and related plant-disease investigations - Canada. Department of Agriculture. (Research Branch, Canada Dept. of Agriculture, 1961)

Schedae ad Kryptogamas exsiccatas - Naturhistorisches Museum (Austria) (A. Holder, 1894)

Schell's quality seeds : market gardeners' catalogue 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell Inc, 1927)

Schell's quality seeds : market gardeners' catalogue 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell Incorporated, 1928)

Schell's quality seeds : market gardeners catalogue, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Walter S. Schell, Inc, 1934)

Schilderung der deutschen pflanzenfamilien vom botanisch-descriptiven und physiologischchemischen standpunkte - Hoffmann, Hermann, 1819 -1891 (Georg Friedrich Hener's Verlag, 1846)

Schriften der Königlichen Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Königliche Physikalisch-Ökonomische Gesellschaft zu Königsberg. (In Commission bei Gräfe und Unzer, 1862)

Schriften des Naturwissenschaftlichen Vereins für Schleswig-Holstein - Naturwissenschaftlicher Verein für Schleswig-Holstein. (Lipsius & Tischer, 1888)

Schriften des Naturwissenschaftlichen Vereins für Schleswig-Holstein - Naturwissenschaftlicher Verein für Schleswig-Holstein. (Lipsius & Tischer, 1892)

Schriften des Naturwissenschaftlichen Vereins für Schleswig-Holstein - Naturwissenschaftlicher Verein für Schleswig-Holstein. (Lipsius & Tischer, 1873)

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

Science - American Association for the Advancement of Science. ([s.n.], 1908)

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

Science - American Association for the Advancement of Science. ([s.n.], 1915)

Science - American Association for the Advancement of Science. ([s.n.], 1916)

Science - American Association for the Advancement of Science. ([s.n.], 1920)

The science and practice of farming during 1910 in Great Britain (England, Wales, Scotland) as seen through the scientific and agricultural press - International Institute of Agriculture. Bureau of Agricultural Science; Practice (Printed by the Unione Editrice, 1910)

Science bulletin - New South Wales. Department of Agriculture. (The Dept, 1914)

Science progress (John Murray, 1919)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1903)

Scientific survey of Porto Rico and the Virgin Islands - New York Academy of Sciences. (The Academy, 1926)

Scleromycetes Sueciae - Fries, Elias, 1794 -1878 (1819)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1873)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1875)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1877)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1879)

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

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1883)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1885)

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