Report of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1885)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1925)

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, 1910)

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, 1911)

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, 1923)

Report on the reptiles and amphibians of Ohio - Smith, William Henry, 1846 - (Nevins & Meyers, 1882)

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 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)

Reproduction of Cnemidophorus inornatus and Cnemidophorus neomexicanus (Sauria, Teiidae) in northern New Mexico - Christiansen, James L. (James Learned) (American Museum of Natural History, 1970)

The reptile book; a comprehensive, popularised work on the structure and habits of the turtles, tortoises, crocodilians, lizards and snakes which inhabit the United States and northern Mexico - Ditmars, Raymond Lee, 1876 -1942 (Doubleday, Page & company, 1907)

The reptile book, a comprehensive popularised work on the structure and habits of the turtles, tortoises, corcodilians, lizards and snakes which inhabit the United States and Northern Mexico - Ditmars, Raymond Lee, 1876 -1942 (Doubleday, 1920)

The reptile book; a comprehensive popularised work on the structure and habits of the turtles, tortoises, crocodilians, lizards and snakes which inhabit the United States and northern Mexico - Ditmars, Raymond Lee, 1876 -1942 (Doubleday, Page, 1915)

Reptiles and amphibians of southeastern national forests - United States. Forest Service. Southern Region. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 1982)

Reptiles and amphibians of Texas - Strecker, John K. (John Kern), 1875 -1933 (Baylor University press, 1915)

Reptiles and batrachians - Boulenger, E. G. (Edward George), 1888 -1946 (J. M. Dent & sons, ltd, 1914)

The reptiles and batrachians of North America / by Samuel Garman - Garman, Samuel, 1843 -1927 (Yeoman Press, 1883)

Reptiles collected in Salvador for the California Institute of Technology - Schmidt, Karl Patterson, 1890 -1957 (1928)

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)