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Report of the Wellcome Tropical Research Laboratories at the Gordon Memorial College, Khartoum - Wellcome Tropical Research Laboratories. (Dept. of Education, Sudan Govt, 1911)

Report on a zoological mission to India in 1913 - Flower, Stanley Smyth (Ministry of Public Works, Egypt, Zoological Service, 1914)

Report on the condition of the sea fisheries of the south coast of New England ... - Baird, Spencer Fullerton, 1823 -1887 (Govt. Print. Off, 1873)

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (G.P.O, 1884)

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Report on the geology of South Carolina - Tuomey, M. (Michael), 1805 -1857 (Printed and published for the state, by A.S. Johnston, 1848)

Report on the invertebrata of Massachusetts : comprising the mollusca, crustacea, annelida, and radiata - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Folsom, Wells, and Thurston, 1841)

Report on the invertebrata of Massachusetts : comprising the Mollusca, Crustacea, Annelida, and Radiata - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Folsom, Wells, and Thurston, 1841)

Report on the Invertebrata of Massachusetts, comprising the Mollusca, Crustacea, Annelida, and Radiata - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Folsom, Wells, and Thurston, printers, 1841)

Report on the Invertebrata of Massachusetts - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Wright and Potter, state printers, 1870)

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 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, 1895)

A report on the trees and shrubs growing naturally in the forests of Massachusetts. Originally published agreeably to an order of the Legislature, by the Commissioners on the Zoological and Botanical Survey of the State - Emerson, George B. (George Barrell), 1797 -1881 (Brown, 1894)

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.], 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.], 1860)

Reports on the herbaceous plants and on the quadrupeds of Massachusetts : published agreeably to an order of the Legislature by the Commissioners on the Zoological and Botanical Survey of the State - Massachusetts. Zoological; Botanical Survey. (Folsom, Wells, and Thurston, 1840)

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

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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)

Rerum medicarum Novae Hispaniae thesaurus, seu, Plantarum animalium mineralium Mexicanorum historia - Colonna, Fabio, 1567 -1650 (Ex typographeio Vitalis Mascardi, 1651)

Resa uti Europa, Africa, Asia : förrättad åren 1770-1779 - Thunberg, Carl Peter, 1743 -1828 (Tryckt hos directeur. Joh. Edman, 1789)

Research summaries - U.S. Dairy Forage Research Center. (The Center, Agricultural Research Service, U.S. Dept. of Agriculture, 1995)

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

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, 1891)

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

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

Return / British Museum - British Museum (Natural History) (British Museum, 1906)

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

Return / British Museum - British Museum (Natural History) (British Museum, 1916)

Review of American birds in the Museum of the Smithsonian Institution Part 1 - Baird, Spencer Fullerton, 1823 -1887 (Smithsonian Institution, 1872)

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

Review of the Pleistocene of Europe, Asia and Northern Africa - Osborn, Henry Fairfield, 1857 -1935 (New York Academy of Sciences, 1915)

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, 1997 - Jones, Clyde, 1935 - (Museum of Texas Tech University, 1997)

Revised checklist of North American mammals north of Mexico, 2014 - Würsig, Bernd G. (Museum of Texas Tech University, 2014)

Revised list of the vertebrated animals now or lately living in the gardens of the Zoological society of London. 1872 - Sclater, Philip Lutley, 1829 -1913 (Printed for the Society, 1872)

Révision de la famille des ixodidés - Neumann, G (1896)

Revision des coléoptères de la famille des Bostrychides - Société entomologique de France. (Société entomologique de France, 1898)

A revision of the Entelodontidae - Carnegie Museum (Published by the authority of the Board of Trustees of the Carnegie Institute, 1909)

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Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1864)

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

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

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1909)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1912)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1886)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1887)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1888)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1889)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1891)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1893)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1894)

Revue des sciences naturelles (1872)

Revue des sciences naturelles (1876)

Revue des sciences naturelles (1877)

Revue des sciences naturelles (1879)

Revue des sciences naturelles (1881)

Revue des sciences naturelles (1884)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1889)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1891)