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, 1907)

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, 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 scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1888)

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, 1857)

Report on the work of the Horn Scientific Expedition to Central Australia - Horn, William Austin, 1841 -1922 (Dulau, 1896)

A report upon salmon investigations in the Columbia river basin and elsewhere on the Pacific coast in 1896 - Evermann, Barton Warren, 1853 -1932 (Govt. print. off, 1898)

Report upon the Colorado River of the West :explored in 1857 and 1858 - Gray, Asa, 1810 -1888 (Govt. Print. Off, 1861)

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)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1877)

Report / Warwickshire Natural History & Archaeological Society - Warwickshire Natural History; Archaeological Society. (1873)

Reports (King's Printer, 1917)

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, 1855)

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.], 1855)

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.], 1856)

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.], 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 Commissioners on the zoological survey of the state - Harris, Thaddeus William, 1795 -1856 (Dutton and Wentworth, state printers, 1838)

Reports of the first, second, and third meetings of the Association of American geologists and naturalists, at Philadelphia, in 1840 and 1841, and at Boston in 1842. Embracing its proceedings and transactions - Association of American Geologists; Naturalists. (Gould, Kendall & Lincoln, 1843)

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, 1905)

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

Reports on the fishes, reptiles and birds of Massachusetts - Massachusetts. Zoological; Botanical Survey. (Dutton and Wentworth, State Printers, 1839)

Reports on the fishes, reptiles and birds of Massachusetts - Wyman, Jeffries, 1814 -1874 (Dutton and Wentworth, State Printers, 1839)

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

Reptiles of Massachusetts - Massachusetts. Zoological; Botanical Survey. (Dutton and Wentworth, 1839)

Research on fish and wildlife habitat - U.S. Fish; Wildlife Service (Office of Research and Development, U.S. Environmental Protection Agency, 1982)

Researches on Egyptian bilharziosis (a report to the War Office on the results of the Bilharzia Mission in Egypt, 1915) - Leiper, Robert Thomson, 1881 - (Bale & Danielsson, 1918)

Researches on the fossil remains of the extinct mammals of Australia : with a notice of the extinct marsupials of England - Owen, Richard, 1804 -1892 (J. Erxleben, 1877)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

Results of the Swedish zoological expedition to Egypt and the White Nile, 1901, under the direction of L.A. Jägerskiöld - Jägerskiöld, Leonard A., 1867 -1945 (Library of the Royal University of Uppsala, 1904)

Return / British Museum - British Museum (Natural History) (British Museum, 1856)

Return / British Museum - British Museum (Natural History) (British Museum, 1890)

Return / British Museum - British Museum (Natural History) (British Museum, 1896)

Return / British Museum - British Museum (Natural History) (British Museum, 1911)

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1919)

A review of the non-marine fossil mollusca of North America - White, Charles A. (Charles Abiathar), 1826 -1910 (U.S.G.P.O, 1883)

A review of the non-marine fossil Mollusca of North America - Geological Survey (U.S.) (G.P.O, 1883)

A review of the non-marine fossil mollusca of North America - Geological Survey (U.S.) (G.P.O, 1883)

Revised reference list of South African non-marine Mollusca; with descriptions of new species in the South African Museum - Connolly, Matthew William Kemble, 1872 -1947 (Printed for the Trustees of the South African Museum, 1912)

Revisio generum plantarum vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum, mit erläuterungen - Kuntze, Otto, 1843 -1907 (A. Felix [etc., etc.], 1891)

Revista argentina de historia natural - Ameghino, Florentino, 1853 -1911 (J. Peuser)

Revista argentina de historia natural - Ameghino, Florentino, 1853 -1911 (J. Peuser, 1891)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1900)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1903)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1913)

Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid, 1919)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1919)

Revue botanique :recueil mensuel ... - Duchartre, Pierre Etienne Simon, 1811 -1894 (A. Franck, 1846)

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

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1899)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1902)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1907)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1897)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1914)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1915)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1917)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1918)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1890)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1947)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1890)

Revue des sciences naturelles (1872)