Relationships of the extinct rodent Cricetops to Lophiomys and the Cricetinae (Rodentia, Cricetidae) - Wahlert, John H. (American Museum of Natural History, 1984)

The relationships of the West Indian species of Aratinga (Aves, Psittacidae) - Koopman, Karl F. (American Museum of Natural History, 1955)

Relative abundance and habitat relationships of Clethrionomys rutilus in the south-central Yukon Territory - Beare, Stephen S. (University of Alberta, Dept. of Zoology, 1984)

The relative value of the processes causing evolution - Hagedoorn, Anna Cornelia (M. Nijhoff, 1921)

Report - British Columbia Provincial Museum. (1912)

Report - British Columbia Provincial Museum. (1919)

Report - British Columbia Provincial Museum. (1920)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1912)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1935)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1921)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1928)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1942)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1920)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1951)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1950)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1954)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1930)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1953)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1955)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1919)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1912)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1919)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1920)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1921)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1930)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1936)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1937)

Report of the chief of the Bureau of Biological Survey - United States. Bureau of Biological Survey. (United States Govt. Print. Off, 1932)

Report of the chief of the Bureau of Biological Survey - United States. Bureau of Biological Survey. (United States Govt. Print. Off, 1935)

Report of the chief of the Bureau of Biological Survey - United States. Bureau of Biological Survey. (United States Govt. Print. Off, 1938)

Report of the chief of the Bureau of Biological Survey - United States. Bureau of Biological Survey. (United States Govt. Print. Off, 1940)

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

Report of the Provincial Museum of Natural History - British Columbia Provincial Museum. (Provincial Museum, King's Printer for British Columbia, 1912)

Report of the Provincial Museum of Natural History - British Columbia Provincial Museum. (Provincial Museum, King's Printer for British Columbia, 1919)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1920)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1921)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1939)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1933)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1946)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1947)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1950)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1954)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1961)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1963)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1964)

Report on a collection of birds and mammals from Vancouver Island - Swarth, Harry S. (Harry Schelwald), 1878 -1935 (University of California Press, 1912)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1928)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1908)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1909)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1912)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1913)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1919)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1921)

Report to the Bureau of Land Management and U.S. Forest Service on raptors inhabiting Brown's Park and the Flaming Gorge National Recreation Area - United States. Bureau of Land Management. ([U.S. Dept. of the Interior, Bureau of Land Management], 1977)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1905)

The reptiles of Ohio - Conant, Roger, 1909 -2003 (University of Notre Dame Press, 1951)

The reptiles of western North America, an account of the species known to inhabit California and Oregon, Washington, Idaho, Utah, Nevada, Arizona, British Columbia, Sonora and Lower California - Van Denburgh, John, 1872 -1924 (California Academy of Sciences, 1922)

Resolving a phylogeny with multiple data sets : a systematic study of phyllostomoid bats - Arnold, Michael L. (Michael Lynn) (Museum, Texas Tech University, 1982)

Resource management report - Ontario. Fish; Wildlife Branch.

Restoration of ecosystem health in southwestern forests : comprehensive report - United States. Bureau of Land Management. (Northern Arizona University, College of Ecosystem Science and Management, Ecological Restoration Institute, 2000)

Results of a biological reconnoissance of the Yukon river region. : General account of the region. Annotated list of mammals - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1900)

Results of a biological survey of Mount Shasta, California - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt Print. Off, 1899)

Results of a biological reconnoisance of the Yukon river region. General account of the region. Annotated list of mammals - Osgood, Wilfred Hudson, 1875 -1947 (Govt. Print. Off, 1900)

Results of a biological reconnoissance of the Yukon River region - Osgood, Wilfred Hudson, 1875 -1947 (G.P.O, 1900)

Results of the Archbold Expeditions. No. 91, A new genus and species of murid rodent from Celebes, with a discussion of its relationships - Musser, Guy G. (American Museum of Natural History, 1969)

Results of the Archbold Expeditions. No. 108, The definition of Apomys, a native rat of the Philippine Islands - Musser, Guy G. (American Museum of Natural History, 1982)

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

The Review of applied entomology. Series B, Medical and veterinary - Commonwealth Agricultural Bureaux. (Commonwealth Agricultural Bureaux [etc.], 1916)

The Review of applied entomology. Series B, Medical and veterinary - Commonwealth Agricultural Bureaux. (Commonwealth Agricultural Bureaux [etc.], 1919)

The Review of applied entomology. Series B, Medical and veterinary - Commonwealth Agricultural Bureaux. (Commonwealth Agricultural Bureaux [etc.], 1913)

Review of Bacillus thuringiensis var. kurstaki (Btk) for use in forest pest management programs of Ontario - with special emphasis on the aquatic environment - Ontario. Aquatic Criteria Development Committee. (Dept. of Environmental Biology, University of Guelph, 1989)

A review of black-footed ferret reintroduction in northwest Colorado, 2001-2006 - United States. Bureau of Land Management. White River Field Office. (U.S. Department of the Interior, Bureau of Land Management, White River Field Office, 2008)

A review of the Eliurus tanala complex (Rodentia, Muroidea, Nesomyidae), with description of a new species from dry forests of western Madagascar - Goodman, Steven M. (American Museum of Natural History, 2019)

Review of the grizzly and big brown bears of North America (genus Ursus) : with description of a new genus, Vetularctos - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Government Printing Office, 1918)

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

A revised bibliography of strip-mine reclamation - United States. Department of Agriculture. (The Station, 1962)

Revised checklist of North American mammals north of Mexico, 1997 - Jones, Clyde, 1935 - (Museum of Texas Tech University, 1997)

Revised checklist of North American mammals north of Mexico - Genoways, Hugh H. (Museum, Texas Tech University, 1975)

Revised checklist of North American mammals north of Mexico, 2003 - Baker, Robert J. (Museum of Texas Tech University, 2003)

Revised checklist of North American mammals north of Mexico, 1991 - Jones, J. Knox (Texas Tech University Press, 1992)

Revision of the American harvest mice : (genus Reithrodontomys) - Howell, Arthur H. (Arthur Holmes), 1872 -1940 (Government Print Office, 1914)

A revision of the Brazilian muroid rodent genus Delomys : with remarks on "thomasomyine" characters - Voss, Robert S. (American Museum of Natural History, 1993)

A revision of the geology and paleontology of the Bijou Hills, South Dakota - Matthew, William Diller, 1871 -1930 (American Museum of Natural History, 1967)

A revision of the South American species of Sigmodon (Mammalia, Muridae) : with notes on their natural history and biogeography - Voss, Robert S. (American Museum of Natural History, 1992)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1902)

Revista do Museu Paulista - Museu Paulista (O Museu, 1926)

Revue critique de paléozoologie et de paléophytologie (M. Cossman, 1897)

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

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1953)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1959)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1961)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1963)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1966)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1968)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1970)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1972)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1975)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1976)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1982)