Recherches sur les organes palléaux des Gastéropodes Prosobranches - Bernard, Félix, 1863 -1898 (G. Masson, 1890)

Records of general science (1836)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1970)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1971)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1972)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1976)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1978)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2020)

Records of the geological survey of India (1868)

Recreatio mentis, et oculi : in obseruatione animalium testaceorum curiosis naturæ inspectoribus Italico sermone prim um proposita - Buonanni, Filippo, 1638 -1725 (Ex typographia Varesij, 1684)

Recreatio mentis et oculi in observatione animalium testaceorum : curiosis naturae inspectoribus ... / proposita a P. Philippo Bonanno ... nunc denuò ab eodem Latinè oblata, centum additis testaceorum iconibus ... - Buonanni, Filippo, 1638 -1725 (Ex typographia Varesii, 1684)

Recueil d'observations de zoologie et d'anatomie compar : faites dans l'ocn atlantique, dans l'intieur du nouveau continent et dans la mer du sud pendant les anns 1799, 1800, 1801, 1802 et 1803 - Humboldt, Alexander von, 1769 -1859 (1833)

Recueil zoologique suisse (H. Geog, 1888)

Le règne animal distribué d'après son organisation : pour servir de base a l'histoire naturelle des animaux et d'introduction a l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1817)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Cuvier, Georges, baron, 1769 -1832 (Louis Hauman et Comp, 1836)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1836)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1845)

Reise in Brasilien : auf Befehl Sr. Majestät Maximilian Joseph I., Königs von Baiern, in den Jahren 1817 bis 1820 gemacht und beschrieben - Spix, Johann Baptist von, 1781 -1826 (M. Lindauer, 1823)

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Buchdr. der K. Akademie der Wissenschaften : Zu haben bei Eggers, 1851)

Reise in Nordost-Afrika. Schilderungen aus dem Gebiete der Beni Amer und Habab nebst zoologischen Skizzen und einem Führer für Jagdreisende - Heuglin, Theodor von, 1824 -1876 (G. Westermann, 1877)

Reise in Ostafrika in den Jahren 1903-1905 : mit Mitteln der Hermann und Elise geb. Heckmann Wentzel-Stiftung : Wissenschaftliche Ergebnisse - Voeltzkow, Alfred, 1860 -1946 (E. Schweizerbartsche Verlagsbuchhandlung, 1923)

Reise nach Brasilien in den Jahren 1815 bis 1817 - Wied, Maximilian, Prinz von, 1782 -1867 (Gedruckt und verlegt bey H.L. Brönner, 1820)

Reise nach den Inseln Teneriffa, Trinidad, St. Thomas, St. Crux und Porto-Rico; auf Befehl der franzo¨sischen Regierung, vom 30. Sept. 1796 bis zum 7. Juni 1789, unter der Leitung des Capitain Baudin unternommen - Sonnini, C. S. (Charles Sigisbert), 1751 -1812 (H. Büschler, 1811)

Reisen in Europa, Asien, und Afrika : mit besonderer Rücksicht auf die naturwissenschaftlichen Verhältnisse der betreffenden Länder ; unternommen in den Jahren 1835 bis 1841 - Russegger, Joseph. (E. Schweizerbart'sche Verlagshandlung, 1841)

Reisen in Nord-ost-Afrika : Schilderungen aus dem gebiete der Beni Amer und Habab nebst zoologischen skizzen und einem führer für jagdreisende - Heuglin, Theodor von, 1824 -1876 (G. Westermann, 1877)

Reisen und Forschungen im Amur-Lande in den Jahren 1854-1856 - Schrenck, Leopold von, 1826 -1894 (Commissionäre der K. Akademie der Wissenschaften, 1859)

Remarques sur la faune des iles Saint-Paul et Amsterdam, suivies d'une description des mollusques testacés de ces deux iles - Vélain, Charles, 1845 - (A. Hennuyer, 1878)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1904)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1914)

Repertorium specierum novarum regni vegetabilis. Beihefte (Verlag des Repertoriums, 1919)

Report of the ... Australasian Association for the Advancement of Science - Australasian Association for the Advancement of Science. (The Association, 1902)

Report of the ... Australasian Association for the Advancement of Science - Australasian Association for the Advancement of Science. (The Association, 1909)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1846)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1856)

Report of the Canterbury Philosophical and Literary Institution - Canterbury Philosophical; Literary Institution. (1827)

Report of the East Kent Natural History Society - East Kent Natural History Society. (1859)

Report of the (Free) Public Library, Museum (Liverpool) - Liverpool (England). Free Public Library. Museum (1879)

Report of the (Free) Public Library, Museum (Liverpool) - Liverpool (England). Free Public Library. Museum (1897)

Report of the Leeds Philosophical & Literary Society - Leeds Philosophical; Literary Society.

Report of the United States Geological Survey of the territories - Lesquereux, Léo, 1806 -1889 (Govt. Print. Off, 1873)

Report of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1885)

Report of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1886)

Report of the Whitby Literary & Philosophical Society - Whitby Literary & Philosophical Society.

Report on paleontology - New Jersey Geological Survey. (1886)

A report on some polychaetous annelids from the Miami-Bimini area - Renaud, Jeanne C. (American Museum of Natural History, 1956)

Report on the present state of our knowledge with regard to the Mollusca of the west coast of North America - Carpenter, Philip P. (Philip Pearsall), 1819 -1877 (Taylor and Francis, 1857)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1907)

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, 1885)

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, 1886)

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, 1895)

Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2 - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1884)

Report to the government of Baroda on the marine zoology of Okhamandal in Kattiawar - Hornell, James, 1865 -1949 (Williams and Norgate, 1909)

Report to the government of Baroda on the marine zoology of Okhamandal in Kattiawar - Hornell, James, 1865 -1949 (Williams and Norgate, 1916)

Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar - Royal Society (Great Britain) (1903)

Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar - Herdman, W. A. Sir, (William Abbott), 1858 -1924 (1903)

Report to the government of Ceylon on the pearl oyster fisheries of the gulf of Manaar - Royal Society (Great Britain) (1906)

Reports of the first, second, and third meetings of the Association of American geologists and naturalists, at Philadelphia, in 1840 and 1841, and at Boston in 1842. Embracing its proceedings and transactions - Association of American Geologists; Naturalists. (Gould, Kendall & Lincoln, 1843)

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 progress of zoology and botany, 1841, 1842 - Link, Heinrich Friedrich, 1767 -1851 (Printed for the Ray Society, 1845)

Reports on zoology for 1843, 1844 - Ray Society. (Printed for the Ray society, 1847)

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)

Resa i Central-Amerika, 1881-1883 - Bovallius, Carl, 1844 -1907 (Carl Suneson, 1886)

Resa uti Europa, Africa, Asia : förrättad åren 1770-1779 - Thunberg, Carl Peter, 1743 -1828 (Tryckt hos directeur. Joh. Edman, 1793)

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

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, 1906)

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, 1912)

Results of an examination of Syrian molluscan fossils, chiefly from the range of Mount Lebanon / by Charles E. Hamlin - Hamlin, Charles Edward, 1825 -1886 (Printed for the Museum, 1884)

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 19, The Recent mollusks, Gastropoda, Strombacea, Tonnacea, and Cymatiacea - Emerson, William K. (American Museum of Natural History, 1963)

Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 12, Shell middens of San José Island - Emerson, William K. (American Museum of Natural History, 1960)

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

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

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

Revised reference list of South African non-marine Mollusca; with descriptions of new species in the South African Museum - Connolly, Matthew William Kemble, 1872 -1947 (Printed for the Trustees of the South African Museum, 1912)

Revision der Fauna der Quiriquina-Schichten - Wilckens, Otto, 1876 - (E. Schweizerbart, 1904)

A revision of the Austrialian Turridae - Hedley, Charles, 1862 -1926 (1920)