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Recueil des Travaux de la Société (d'Amateurs) des Sciences, de l'Agriculture et des Arts à Lille - Société des sciences de l'agriculture et des arts de Lille (1823)

Recueil des Travaux de la Société (d'Amateurs) des Sciences, de l'Agriculture et des Arts à Lille - Société des sciences de l'agriculture et des arts de Lille (1826)

Die Reizbewegungen der Pflanzen - Pringsheim, Ernst G. (Ernst Georg), 1881 - (J. Springer, 1912)

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

Repertorium botanicum, oder, Versuch einer systematischen Darstellung der neuesten Leistungen im ganzen Umfange der Pflanzenkunde - Dierbach, Johann Heinrich, 1788 -1845 (Meyersche Hof-Buchh, 1831)

Repertorium commentationum a societatibus litterariis editarum - Reuss, Jeremias David, 1750 -1837 (apud Henricum Dieterich, 1802)

Report & transactions - Birmingham Natural History; Microscopical Society (Birmingham, England) (Herald Press)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1868)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1898)

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. (1923)

Report of the Geological Survey of Ohio - Geological Survey of Ohio. (Nevins & Myers, state printers, 1893)

Report of the geological survey of Ohio - Geological Survey of Ohio. (Nevins & Meyers, 1893)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1916)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Reproduction des cryptogames - Rietsch, Maximilien. (G. Baillière, 1882)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University Pub. Co, 1905)

Researches on fungi - Buller, A. H. Reginald (Arthur Henry Reginald), 1874 -1944 (Longmans, Green, 1909)

Researches on fungi - Buller, A. H. Reginald (Arthur Henry Reginald), 1874 -1944 (Longmans, Green, 1922)

Researches on fungi - Buller, A. H. Reginald (Arthur Henry Reginald), 1874 -1944 (Longmans, Green, 1958)