Report upon the invertebrate animals of Vineyard Sound and adjacent waters, with an account of the physical features of the region - Baird, Spencer Fullerton, 1823 -1887 (Govt. Print. Off, 1874)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1875)

Reports (King's Printer, 1917)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1902)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1906)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1901)

Reports on the crinoids, ophiurans, Brachyura, Tanidacea and Isopoda, amphipods, & Echinoidea of the Barbados-Antigua expedition of 1918 - Barbados-Antigua expedition, 1918. (The University, 1921)

Research and discoveries : the revolution of science through scuba - Lang, Michael A. (Smithsonian Institution Scholarly Press, 2013)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco ... - Albert I, Prince of Monaco, 1848 -1922 (Impr. de Monaco, 1898)

Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco ... - Albert I, Prince of Monaco, 1848 -1922 (Impr. de Monaco, 1909)

Results of Dr. E. Mjöbergs Swedish scientific expeditions to Australia 1910-1913. XXI, Echinoidea - Mjöberg, Eric, 1882 -1938 (Almqvist & Wiksells, 1918)

...Results of the explorations made by the steamer Albatross off the northern coast of the United States in 1883 - Verrill, A. E. (Addison Emery), 1839 -1926 (Govt. print. off, 1885)

Results of the second joint U.S.-U.S.S.R. Bering Sea Expedition Summer 1984 - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, U.S. Fish and Wildlife Service, 1990)

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)

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

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

Return / British Museum - British Museum (Natural History) (British Museum, 1891)

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

Return / British Museum - British Museum (Natural History) (British Museum, 1901)

Return / British Museum - British Museum (Natural History) (British Museum, 1906)

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

Return / British Museum - British Museum (Natural History) (British Museum, 1916)

A review of the genus Clastotoechus Haig, with descriptions of a new genus and two new species (Decapoda, Anomura, Porcellanidae) - Harvey, Alan W. (American Museum of Natural History, 1999)

Revision of Paleozoic Stelleroidea, with special reference to North American Asteroidea - Schuchert, Charles, 1858 -1942 (Govt. print. off, 1915)

Revision of the Echini / by Alexander Agassiz - Agassiz, Alexander, 1835 -1910 (University Press, 1872)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 1999)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2001)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2002)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2003)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2014)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2020)

Revista del Museo de La Plata - Universidad Nacional de La Plata. (Talleres del Museo de La Plata, 1902)

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Revue critique de paléozoologie et de paléophytologie (M. Cossman, 1897)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1897)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1898)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1900)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1901)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1903)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1907)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1908)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1912)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1913)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1916)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1877)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1893)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1897)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1903)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1905)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1983)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2003)

Rivista italiana di paleontologia - Fornasini, Carlo. (Rivista italiana di paleontologia, 1897)