Proceedings of the Royal Society of London - Royal Society (Great Britain) (The Society, 1892)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1978)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1983)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1990)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1991)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1992)

Proceedings of the Royal Society of Victoria. New series - Royal Society of Victoria (Melbourne, Vic.) (Stillwell and Co, 1997)

Proceedings of the Royal Zoological Society of New South Wales - Royal Zoological Society of New South Wales. (The Society, 1940)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1904)

Proceedings of the third USA-USSR symposium on the effects of pollutants upon aquatic ecosystems (U.S. Environmental Protection Agency, 1978)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1884)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1952)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1959)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1882)

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

Programmatic environmental impact statement on timber management : preliminary draft - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 1973)

Programmatic environmental impact statement vegetation treatments using herbicides on Bureau of Land Management lands in 17 western states : final - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, 2007)

Programmatic environmental impact statement vegetation treatments using herbicides on Bureau of Land Management lands in 17 western states : draft - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, 2005)

Propagation and distribution of food fishes - U.S. Fish; Wildlife Service (U.S. Fish and Wildlife Service [U.S. Govt. Print. Off.], 1965)

Propagation and distribution of food fishes - U.S. Fish; Wildlife Service (U.S. Fish and Wildlife Service [U.S. Govt. Print. Off.], 1967)

Prose halieutics, or, Ancient and modern fish tattle - Badham, David, 1806 -1857 (John W. Parker, 1854)

Prose halieutics; or, Ancient and modern fish tattle - Badham, David, 1806 -1857 (J.W. Parker, 1854)

Protozoology : a manual for medical men, veterinarians and zoologists - Wenyon, C. M. (Charles Morley), 1878 -1948 (W. Wood, 1926)

Provincial Museum of Natural History and Enthnology - British Columbia Provincial Museum. (Printed by Richard Wolfenden, 1909)

Publications - Ontario Fisheries Research Laboratory. (University of Toronto Press, 1922)

Publications in zoology = Publications en zoologie - National Museum of Natural Sciences (Canada) (National Museums of Canada, National Museum of Natural Sciences, 1970)

Publications in zoology = Publications en zoologie - National Museum of Natural Sciences (Canada) (National Museums of Canada, National Museum of Natural Sciences, 1981)

Publications of the Institute of Marine Science - University of Texas. Institute of Marine Science. (Institute of Marine Science, University of Texas, 1959)

Publications: studies from the Dept. of Anatomy - Cornell University. Medical College. (1910)

Quetico fishes - Royal Ontario Museum. (Royal Ontario Museum, 1976)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1909)

Rapports et procès-verbaux des réunions - International Council for the Exploration of the Sea. (Le Conseil, 1912)

Rapports et procès-verbaux des réunions - International Council for the Exploration of the Sea. (Le Conseil, 1920)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1978)

Reading Naturalist. Reading - Reading Natural History Society. (1957)

Reading Naturalist. Reading - Reading Natural History Society. (1958)

Readings in mammalogy / selected from the original literature and introduced with comments - Anderson, Sydney, 1927 -2018 (Museum of Natural History, University of Kansas, 1970)

Recherches sur la faune de Madagascar et de ses dépendances - Bleeker, P. (Pieter), 1819 -1878 (E.J. Brill, 1874)

Recherches sur la faune de Madagascar et de ses dépendances - Hoffmann, C. K. 1841 -1903 (J.K. Steenhoff, 1874)

Recollections of fly fishing for salmon, trout, and grayling, with notes on their haunts, habits, and history - Hamilton, Edward, 1815 -1903 (S. Low, Marston, Searle, and Rivington, 1884)

Recollections of fly fishing for salmon, trout, and grayling, with notes on their haunts, habits, and history - Hamilton, Edward, 1815 -1903 (S. Low, Marston, 1891)

Record of decision and approved Dillon resource management plan - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, Dillon Field Office, 2006)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1973)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1981)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1997)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1915)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1916)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1921)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1920)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1978)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1985)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1996)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 1979)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2006)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2013)

Reise der österreichischen Fregatte Novara um die Erde in den Jahren 1857, 1858, 1859 unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Österreichische Akademie der Wissenschaften. (Kaiserlich-Königliche Hof- und Staatsdruckerei; in Commission bei K. Gerold's Sohn, 1869)

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, 1941)

Reisen nach dem Nordpolarmeer in den Jahren 1870 und 1871 - Heuglin, Theodor von, 1824 -1876 (G. Westermann, 1874)

The relation of fishes to ions in their natural environments - Wells, Morris Miller. (1915)

Rendiconti - Reale Accademia dei Lincei (l'Accademia, 1889)

Report - New York (State). Forest, Fish; Game Commission. (1895)

Report - Maryland. Commissioners of Fisheries. (King Brothers, 1880)

Report of investigations on the life-history of the salmon in fresh water: from the Research laboratory of the Royal College of Physicians of Edinburgh - Paton, Diarmid Noël, 1859 -1928 (Printed by J. Hedderwick & sons, 1898)

Report of the Alberta Endangered Species Conservation Committee - Alberta Endangered Species Conservation Committee. (Alberta Environment, 2006)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1831)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1893)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1880)

Report of the commissioner of fish and fisheries relative to the salmon fisheries of Alaska - Bean, Tarleton H. (Tarleton Hoffman), 1846 -1916 (Gov't print off, 1892)

Report of the Commissioner of Fish and Fisheries : respecting the establishment of fish-cultural stations in the Rocky Mountain region and Gulf States - Evermann, Barton Warren, 1853 -1932 (G.P.O, 1892)

Report of the Commissioner of Fisheries to the Secretary of Commerce and Labor for the fiscal year ended ... - United States. Bureau of Fisheries. (G.P.O, 1914)

Report of the Commissioners of Fisheries of Maryland. January, 1880 - Brooks, William Keith, 1848 -1908 (Maryland Republican, Print, 1880)

Report of the Department of Fisheries of the Commonwealth of Pennsylvania - Pennsylvania. Department of Fisheries. (The Dept.], 1938)

Report of the Fish Commissioners of the State of Pennsylvania for the year - Pennsylvania. Board of Fish Commissioners. (The Board], 1902)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1904)

Report of the scientific results of the voyage of S.Y. "Scotia" during the years 1902, 1903, and 1904, under the leadership of William S. Bruce - Bruce, William S. 1867 -1921 (The Scottish oceanographical laboratory, 1907)

Report of the State Commissioners of Fisheries for the year - Pennsylvania. State Commissioners of Fisheries. (The Commissioners], 1879)

Report of the State Commissioners of Fisheries for the year - Pennsylvania. State Commissioners of Fisheries. (The Commissioners], 1881)

Report of the State Commissioners of Fisheries for the year - Pennsylvania. State Commissioners of Fisheries. (The Commissioners], 1889)

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, 1887)

Report on the sea fisheries and fishing industries on the Thames Estuary - Murie, James, 1832 -1925 (Waterlow Bros. & Layton, 1903)

Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior - Emory, William H. 1811 -1887 (C. Wendell, printer, 1859)

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 explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1859)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1858)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1860)

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

Research plan for lands administered by the U.S. Department of the Interior in the Interior Columbia Basin and Snake River Plateau - Geological Survey (U.S.) (U.S. Geological Survey Forest and Rangeland Ecosystem Science Center, 2002)

Resource management report - Ontario. Fish; Wildlife Branch.

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1904)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1905)

Revue générale des sciences pures et appliquées ([s.n.], 1922)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1898)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1927)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1945)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1948)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1950)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1964)