Reports and transactions - Cardiff Naturalists' Society.

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.], 1854)

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.], 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.], 1860)

Reports of the Microscopical Society of West Chester, Penna. : on the Act of Assembly of said state awarding a premium for the destruction of hawks, owls, minks, weasels, etc., etc - West Chester Microscopical Society. ("Republican" Book and Job Dept, 1887)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1904)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1912)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1915)

Reports on aquatic insects - Needham, James G. (James George), 1868 -1957 (Univ. of the State of N.Y, 1901)

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

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)

Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (W.J. Holland, 1869)

Reptiles and birds : a popular account of their various orders : with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (D. Appleton, 1870)

Reptiles and birds : a popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (W.J. Holland, 1869)

Reptiles and birds. A popular account of the various orders; with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (W. J. Holland & co. [pref, 1869)

Reptiles and birds : a popular account of their various orders, with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (Cassell, Petter, Galpin)

Reptiles and birds, a popular account of their various orders : with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (D. Appleton, 1870)

Resa genom Umeå Lappmarker i Vesterbottens län : förrättad år 1832 - Zetterstedt, Johan Wilhelm, 1785 -1874 (N.M. Lindh, 1833)

Research in China - Walcott, Charles D. (Charles Doolittle), 1850 -1927 (Carnegie institution of Washington, 1907)

Response of juvenile raptors to DDT in the diet - Seidensticker, John. (1966)

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 third joint US-USSR Bering & Chukchi Seas expedition (BERPAC) : Summer 1988 - U.S. Fish; Wildlife Service (U.S. Fish and Wildlife Service, 1992)

Returns from banded birds, 1920 to 1923 - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1924)

A review of the birds of Connecticut - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Tuttle, Morehouse & Taylor, Printers, 1877)