The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1920)

The Queensland Naturalist - Queensland Naturalists' Club. (Queensland Naturalists' Club], 1915)

Rad - Jugoslavenska akademija znanosti i umjetnosti. Razred za prirodne nauke. (Jugoslavenska akademija znanosti i umjetnosti, 1877)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2005)

Rapid biological inventories - Field Museum of Natural History. Environmental; Conservation Programs. (Field Museum, 2007)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1973)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1974)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1976)

Raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1977)

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

Rare species of Prescott National Forest : Invertebrates, final report - Stephens, Lawrence E. (United States Forest Service, 2011)

Reading Naturalist. Reading - Reading Natural History Society.

Real Sociedad Española de Historia Natural. Tomo extraordinario publicado con motivo del 50. aniversario de su fundación, 1921 - Sociedad Española de Historia Natural. (Museo Nacional de Ciencias Naturales, 1921)

The Record of zoological literature (J. van Voorst, 1866)

The Record of zoological literature (J. van Voorst, 1867)

The Record of zoological literature (J. van Voorst, 1868)

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

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1956)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1962)

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, 1988)

Records of the Auckland Institute and Museum - Auckland Institute; Museum. (Auckland Institute and Museum, 1993)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2000)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2006)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2009)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2015)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 2017)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1912)

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, 1921)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1971)

Records of the Queen Victoria Museum Launceston - Queen Victoria Museum (Launceston, Tas.) (The Museum, 1984)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1958)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1981)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1987)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1988)

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, 1995)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 1999)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 2000)

Records of the South Australian Museum - South Australian Museum (Published under the authority of the board of governors and edited by the museum director, 2001)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2007)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2008)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2009)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2010)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2014)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2016)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2017)

Records of the Western Australian Museum - Western Australian Museum (Western Australian Museum, 2019)

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, 1914)

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, 1917)

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)

The relation of pheasants to agriculture in the Yellowstone and Big Horn River valleys of Montana - Hiatt, Robert W. (Montana State Fish and Game Commission, Wildlife Restoration Division, 1947)

Rendiconti - Reale Accademia dei Lincei (l'Accademia, 1890)

Repertorium entomologicum - Deutsche Entomologische Gesellschaft. (Friedländer & Sohn, 1924)

Report - Harvard University. Museum of Comparative Zoology. (1862)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1948)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1947)

Report (and Abstracts of Proceedings and Papers) of the Brighton and Sussex Natural History and Philosophical Society - Brighton; Sussex Natural History; Philosophical Society. (1875)

Report and recommendations of the Plant Science and Entomology Research Advisory Committee developed at its meeting ... - United States. Department of Agriculture. (U.S. Dept of Agriculture, Research Program Development and Evaluation Staff, 1967)

Report - Field Museum of Natural History. (The Museum, 1973)

Report number I, the natural resources survey of the Conservation and Natural Resources Commission of New Mexico - New Mexico. Conservation; Natural Resources Commission. (New Mexican Printing Co, 1911)

Report of the Board of Commissioners of Agriculture and Forestry of the Territory of Hawaii for the period ... - Hawaii. Board of Commissioners of Agriculture; Forestry. (1906)

Report of the Board of Commissioners of Agriculture and Forestry of the Territory of Hawaii - Hawaii. (The Board, 1906)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1900)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1932)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1919)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1913)

Report of the Canadian Arctic Expedition 1913-18 (F. A. Acland, Printer to the King, 1922)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1863)