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.], 1857)

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.], 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.], 1860)

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)

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

A reprint of the North American zoology, by George Ord. Being an exact reproduction of the part originally compiled by Mr. Ord for Johnson & Warner, and first published by them in their 2d American ed. of Guthrie's geography, in 1815. Taken - Ord, George, 1781 -1866 (Pub. by the editor, 1894)

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

The reptiles of the Pacific coast and great basin; an account of the species known to inhabit California, and Oregon, Washington, Idaho and Nevada - Van Denburgh, John, 1872 -1924 (California academy of sciences, 1897)

The reptiles of the Pacific coast and great basin; an account of the species known to inhabit California, and Oregon, Washington, Idaho and Nevada - Van Denburgh, John, 1872 -1924 (California Academy of Sciences, 1897)

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)

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 the San Francisco Mountain region and desert of the Little Colorado, Arizona - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1890)

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. 108, The definition of Apomys, a native rat of the Philippine Islands - Musser, Guy G. (American Museum of Natural History, 1982)

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.], 1922)

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

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)

Review of the Rodentia of the Miocene period of North America ... - Cope, E. D. (Edward Drinker), 1840 -1897 (1881)

Revisão do genero triatoma lap - Neiva, Artur 1880 -1943 (Typ. do Jornal do Commercio, 1914)

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

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A revision of the North American spider genus Anachemnis Chamberlin (Araneae, Tengellidae) - Platnick, Norman I. (American Museum of Natural History, 2005)

A revision of the spider genus Orthonops (Araneae, Caponiidae) - Platnick, Norman I. (American Museum of Natural History, 1995)

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Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1888)

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.], 1961)

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

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Rodent pests of the farm - Lantz, David E. (David Ernest) 1855 -1918 (U.S. Dept. of Agriculture, 1918)

Rodents of Colorado in their economic relation - Burnett, William L. (1918)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1894)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1895)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1894)

Die säugethiere in zoologischer, anatomischer und palæontologischer beziehung umfassend dargestellt - Giebel, C. (Christoph), 1820 -1881 (A. Abel, 1885)

Die Säugthiere in Abbildungen nach der Natur, mit Beschreibungen - Schreber, Johann Christian Daniel, 1739 -1810 (Expedition des Schreber'schen säugthier- und des Esper'schen Schmetterlingswerkes, 1846)

Die Säugthiere in Abbildungen nach der Natur, mit Beschreibungen - Schreber, Johann Christian Daniel, 1739 -1810 (Expedition des Schreber'schen säugthier- und des Esper'schen Schmetterlingswerkes, 1843)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 1998)

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