Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1888)

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 on the results of dredging, under the direction of L. F. Pourtalès, during the years 1868-1870, and of Alexander Agassiz in the Gulf of Mexico (1877-78) and in the Caribbean Sea (1878-79), in the U.S. Coast Survey steamer "Blake," Lieut.-Com. C. D. Sigsbee, U.S.N., and Commander J. R. Bartlett, U.S.N., commanding 31 Report on the annelids / by E. Ehlers - Ehlers, Ernst Heinrich, 1835 -1925 (Printed for the Museum, 1887)

Reptilia Musei zoologici Vratislaviensis / recensita et descripta auctore J.L.C. Gravenhorst ... Musei zoologici directore ... fasciculus primus continens Chelonios et Batrachia - Gravenhorst, J. L. C. (Johann Ludwig Christian), 1777 -1857 (Sumptibus L. Vossii, 1829)

Rerum medicarum Novae Hispaniae thesaurus, seu, Plantarum animalium mineralium Mexicanorum historia - Colonna, Fabio, 1567 -1650 (Ex typographeio Vitalis Mascardi, 1651)

Rerum naturalium historia nempe quadrupedum, insectorum, piscium variorumque marinorum corporum fossilium, plantarum exoticarum ac praesertim testaceorum exsistium in Museo Kircheriano - Carattoni, Girolamo, 1749 -approximately 1809 (In typographia Zempelliano, aere venantii monaldini bibliopolae, 1773)

Researches about atmospheric phenomena - Forster, T. (Thomas), 1789 -1860 (Printed for Harding, Mavor, and Lepard, 1823)

Respirationis Swammerdammianæ exspiratio : una cum Anatomia neologices Joannis de Raei ... quibus adjecta est utriusque philosophiæ clavis ... - Swammerdam, Jan, 1637 -1680 (Ex officina Joannis à Someren, 1674)

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, 1900)

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico 17 The Recent mollusks, Gastropoda, Cypraeacea - Emerson, William K. (American Museum of Natural History, 1963)

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico 13 Ascophoran Cheilostomata (Bryozoa) of the Gulf of California - Soule, John D. (American Museum of Natural History, 1961)

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico 6 Anascan Cheilostomata (Bryozoa) of the Gulf of California - Soule, John D. (American Museum of Natural History, 1959)

A review of the primates - Elliot, Daniel Giraud, 1835 -1915 (American Museum of Natural History, 1912)

A review of the primates - Elliot, Daniel Giraud, 1835 -1915 (American Museum of Natural History, 1913)

A review of the zelotine ground spider genus Setaphis (Araneae, Gnaphosidae) - Platnick, Norman I. (American Museum of Natural History, 1996)

Revision der Turbellarien Abtheilung: Dendrocoelen - Diesing, Karl Moritz, 1800 -1867 (Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1862)

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

A revision of the Encalyptaceae (musci) with particular reference to the North American taxa - Horton, Diana G. (University of Alberta, Dept. of Botany, 1981)

A revision of the Latipinnate ichthyosaurs of the Lower Jurassic of England (Reptilia, Ichthyosauria) - Royal Ontario Museum. (Royal Ontario Museum, 1974)

A revision of the Longipinnate Ichthyosaurs of the Lower Jurassic of England, with descriptions of two new species (Reptilia: Ichthyosauria) - Royal Ontario Museum. (Royal Ontario Museum, 1974)

A revision of Whitfield's type specimens of the rudist mollusks from the Cretaceous of Jamaica, British West Indies - Whitfield, R. P. (Robert Parr), 1828 -1910 (American Museum of Natural History, 1955)

Revista chilena de entomología - Sociedad Chilena de Entomología. (La Universidad, 1988)

Revue biologique du nord de la France (Le Bigot, 1893)

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

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1883)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1903)

Revue encyclopédique (1823)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1853)

Revue générale des écrits de Linné; ouvrage dans lequel on trouve les anecdotes les plus intéressantes de sa vie privée, un abrégé de ses systêmes et de ses ouvrages, un extrait des ses Aménités académiques ... - Pulteney, Richard, 1730 -1801 (Buisson, 1789)

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.], 1917)