Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1962)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1865)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1972)

Okens Lehrbuch der Naturgeschichte - Oken, Lorenz, 1779 -1851 (Bei Carl Heinrich Reclam, 1816)

On the anatomy of vertebrates - Owen, Richard, 1804 -1892 (Longmans, Green, 1866)

On the cervical vertebrae and their articulations in fin-whales - Struthers, John, Sir, 1823 -1899 ([s.n.], 1872)

On whales, past and present and their probable origin. A discourse - Flower, William Henry, 1831 -1899 (1883)

The origin of species - Darwin, Charles, 1809 -1882 (Books, Inc, 1900)

The origin of species by means of natural selection, or, The preservation of favored races in the struggle for life - Darwin, Charles, 1809 -1882 (A.L. Burt, 1899)

The origin of species by means of natural selection : or, The preservation of favored races in the struggle for life - Darwin, Charles, 1809 -1882 (Merrill and Baker, 1900)

The origin of species by means of natural selection, or, The preservation of favored races in the struggle for life - Darwin, Charles, 1809 -1882 (D. Appleton and Company, 1917)

The origin of species by means of natural selection, or, The preservation of favored races in the struggle for life - Darwin, Charles, 1809 -1882 (D. Appleton, 1899)

The origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life - Darwin, Charles, 1809 -1882 (J. Murray, 1902)

The origin of species by means of natural selection : or The preservation of favored races in the struggle for life - Darwin, Charles, 1809 -1882 (Hurst, 1872)

Origin of species by means of natural selection, or the preservation of favored races in the struggle for life - Darwin, Charles, 1809 -1882 (P. F. Collier, 1905)

Origin of species - Darwin, Charles, 1809 -1882 (H.M. Caldwell Co, 1900)

The origin of the species by means of natural selection - Darwin, Charles, 1809 -1882 (J. Murray, 1910)

Ornis - International Ornithological Committee. (Carl Gerold's Sohn, 1905)

Ornithologisches Centralblatt (L.A. Kittler, 1876)

Ostéographie des cétacés vivants et fossiles, comprenant la description et l'iconographie du squelette et du système dentaire de ces animaux, ainsi que des documents relatifs à leur histoire naturelle - Gervais, Paul, 1816 -1879 (A. Bertrand, 1880)

Our country's animals and how to know them. A guide to the mammals, reptiles and amphibians of Great Britain - Gordon, W. J. (Simpkin, Marshall, Hamilton, Kent, 1904)

Our living oceans : report on the status of U.S. living marine resources, 1999 - United States. National Marine Fisheries Service. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1999)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (D. Appleton, 1906)

Outlines of zoology - Thomson, J. Arthur (John Arthur), 1861 -1933 (Humphrey Milford, Oxford University Press, 1929)

Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1846)

Palaeontographica (Theodor Fischer, 1912)

Palaeontology - Palaeontological Association (Palaeontological Association, 1998)

Palaozoologie : Entwurf einer systematischen Darstellung der Fauna der Vorwelt - Giebel, C. (Christoph), 1820 -1881 (Nulandt'sche buchandlung (L. Garcke), 1846)

Paleontological research - Nihon Koseibutsu Gakkai (Palaeontological Society of Japan, 2002)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1918)

Papers and proceedings of the Royal Society of Tasmania - Royal Society of Tasmania. (The Society, 1919)

Parasitic worms, with a note on a free-living nematode - Atkinson, Edward L. (Edward Leicester), 1881 -1929 (Printed by order of the Trustees of the British Museum, 1915)

Parasitology (Cambridge University Press, 1922)

Parasitology (Cambridge University Press, 1920)

La pêche maritime, son évolution en France et à l'étranger - Kerzoncuf, Joseph. (Challamel, 1917)

Pelagos, saggi sulla vita e sui prodotti del mare - Giglioli, Enrico Hillyer, 1845 -1909 (Tipografia del R. Istituto de' Sordo-Muti, 1884)

Periódico zoológico - Sociedad Entomológica Argentina. (Sociedad Entomica Argentina, 1874)

Physical oceanography - Hill, M. N. 1919 - (Interscience Pub, 1962)

Physis - Sociedad Argentina de Ciencias Naturales. (Asociación Argentina de Ciencias Naturales [etc.], 1918)

The pictorial museum of animated nature ... - Knight, Charles, 1791 -1873 (C. Knight, 1844)

A pocket list of the mammals of eastern Massachusetts, with special reference to Essex County - Brown, C. Emerson, 1869 -1949 (Peabody Academy of Science, 1913)

Primera reunión del Congreso científico latino americano celebrada en Buenos Aires del 10 al 20 de abril de 1898 por iniciativa de la Sociedad científica argentina... - Congreso Científico Latino Americano Buenos Aires, Argentina) 1898 - (Compañia sud-americana de billetes de banco, 1899)

The probable distribution of whales as false sonar targets in the North Pacific Ocean by analysis of whaling data - Rinaldi, Ronald Daniel. (Naval Postgraduate School, 1972)

Problems of polar research; a series of papers by thirty-one authors - American Geographical Society of New York. (American geographical society, 1928)

Problems of relative growth - Huxley, Julian, 1887 -1975 (L. MacVeagh, The Dial Press, 1932)

Proceedings - Essex Institute. (1856)

Proceedings - Cambridge Philosophical Society. Mathematical and physical sciences - Cambridge Philosophical Society. (Cambridge Philosophical Society [etc.], 1908)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1867)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1868)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1869)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1841)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1869)

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge - American Philosophical Society. (American Philosophical Society, 1911)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1989)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1991)

Proceedings of the Bristol Naturalists' Society - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 1939)

Proceedings of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1868)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1923)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1997)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2008)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2001)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1918)

Proceedings of the Indiana Academy of Science - Indiana Academy of Science. ([s.n.], 1919)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1960)

Proceedings of the Linnean Society of New South Wales - Linnean Society of New South Wales. (Linnean Society of New South Wales, 1929)

Proceedings of the Natural History Society of Glasgow - Natural History Society of Glasgow. (Natural History Society of Glasgow, 1878)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1891)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1914)

Proceedings of the Royal Society of Edinburgh - Royal Society of Edinburgh. (Royal Society of Edinburgh, 1920)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1937)

Proceedings of the San Diego Society of Natural History - San Diego Society of Natural History. (San Diego Society of Natural History, 1993)

Proceedings of the San Diego Society of Natural History - San Diego Society of Natural History. (San Diego Society of Natural History, 1994)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1914)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1918)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1919)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1917)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1922)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1923)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1924)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1926)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1927)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1942)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1864)

Proceedings of the Zoological Society of London : an index to the artists, 1848-1900 - Johnson, Bryan R., 1956 - (Garland, 1986)

Prodromus faunae mediterraneae, sive Descriptio animalium maris Mediterranei incolarum, quam comparata silva rerum quatenus innotuit, adiectis locis et nominibus vulgaribus eorumque auctoribus - Carus, Julius Victor, 1823 -1903 (E. Schweizerbart, 1889)

Proposed St. Thomas national marine sanctuary : United States Department of Commerce draft environmental impact statement - National Ocean Survey. Office of Coastal Zone Management. (Office of Coastal Zone Management, National Oceanic and Atmospheric Administration, 1981)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1881)

The Quarterly review of biology - American Society of Naturalists. (Published by the Stony Brook Foundation, Inc. for the State University of New York at Stony Brook, 1928)

Recent memoirs on the Cetacea - Flower, William Henry, 1831 -1899 (Pub. for the Ray society by R. Hardwicke, 1866)

Recherches anatomiques sur l'appareil génitourinaire mâle du Mesoplodon et des cétacés en général - Anthony, R. (Raoul) 1874 -1941 (s.n.], 1922)

Recherches sur l'embryogénie des crustacés. IV, Développement des genres Anchorella, Lerneopoda, Brachiella et Hessia - Beneden, Édouard van, 1846 -1910 (M. Hayez, 1870)

The Record of zoological literature (J. van Voorst, 1869)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1918)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1942)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1918)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1928)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1996)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 2003)

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, 1853)

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)

Reisebilder aus Liberia : Resultate geographischer, naturwissenschaftlicher und ethnographischer untersuchungen während der jahre 1879-1882 und 1886-1887 - Büttikofer, Johann, 1850 -1927 (E. J. Brill, 1890)

Reisen im Süden von Ost-Sibirien in den Jahren 1855-1859, incl - Geograficheskoe obshchestvo SSSR (Buchdruckerei der K. Akademie der Wissenschaften, 1862)

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)