Publication. Field Museum of Natural History. Anthropological series - Field Museum of Natural History. (The Museum, 1930)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1912)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1913)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1931)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1932)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1936)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1938)

Publication. Field Museum of Natural History. Botanical series - Field Museum of Natural History. (Field Museum of Natural History, 1940)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1944)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1948)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1950)

Publication - Smithsonian Institution. Institute of Social Anthropology (U.S. Govt. Print. Off, 1952)

Publications in biological oceanography - National Museum of Natural Sciences (Canada) (The Museum, 1982)

The published writings of George Newbold Lawrence, 1844-1891 - Foster, Lyman Spalding. (Govt. Print. Off, 1892)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1973)

Quaestiones entomologicae - University of Alberta. Dept. of Entomology. (Dept. of Entomology, University of Alberta, 1989)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1850)

The Quarterly journal of the Geological Society of London - Geological Society of America. (1872)

Raccoons of North and middle America - Jackson, Hartley H. T. (Hartley Harrad Thompson), 1881 -1976 (U.S. Govt. Print. Off, 1950)

The rambler in Mexico : MDCCCXXXIV - Latrobe, Charles Joseph, 1801 -1875 (Harper & Brothers, 1836)

Reise der oesterreichischen Fregatte Novara um die Erde : in den Jahren 1857, 1858, 1859, unter den Befehlen des Commodore B. von Wüllerstorf-Urbair - Scherzer, Karl, Ritter von, 1821 -1903 (C. Gerold's Sohn, 1864)

Reisen in den Vereinigten Staaten, Canada und Mexico - Müller, J. W. von Baron (Johann Wilhelm) 1824 -1866 (F.A. Brockhaus, 1865)

Relations de divers voyages curieux : qui n'ont point esté publiées, est qu'on a traduit or tiré des originaux des voyageurs françois, espagnols, allemands, portugais, anglois, hollandois, persans, arabes & autres orientaux. tome premier-second - Moette, Thomas, (Chez Thomas Moette Libraire, ruë de la vieille Bouclerie, à saint Alexis, 1696)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1905)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1908)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1914)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1922)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1912)

Report of the chief of the Bureau of Entomology and Plant Quarantine - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1953)

Report of the chief of the Bureau of entomology and plant quarantine - United States. Agricultural Research Service. (U.S. Govt. Print. Off, 1946)

Report of the chief of the Bureau of entomology and plant quarantine - United States. Agricultural Research Service. (U.S. Govt. Print. Off, 1953)

Report of the commissioner appointed to investigate the prevalence of Trypeta ludens in Mexico. Districts affected by the orange worm. Nature, habits, and extension of the pest. Methods adopted for its control. Danger to be apprehended from its introduction, etc - California. State Commission of Horticulture. (W. W. Shannon, superintendent state printing, 1905)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1889)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1896)

Report of the Commissioner for ... - Baird, Spencer Fullerton, 1823 -1887 (G.P.O, 1895)

Report of the Director to the Board of Trustees for the year ... - Chicago Natural History Museum. (The Museum, 1958)

Report of the Geological Survey of Ohio - Geological Survey of Ohio. (Nevins & Myers, state printers, 1882)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1855)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1923)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1926)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1927)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1928)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1929)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1930)

Report of the Secretary of the Smithsonian Institution ... - Smithsonian Institution (Smithsonian Institution], 1931)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1935)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1936)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1937)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1938)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1939)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1940)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1933)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1942)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1943)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1945)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1946)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1947)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1949)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1950)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1953)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1954)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1955)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1956)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1957)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1958)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1959)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1960)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1961)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1962)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1963)

Report of the Secretary of the Smithsonian Institution and financial report of the Executive Committee of the Board of Regents for the year ending June 30 ... - Smithsonian Institution (Smithsonian Institution, 1964)

Report of the ... semi-annual meeting of the California Avocado Association - California Avocado Association. (The Association, 1915)

Report of the United States Entomological Commission - United States Entomological Commission. (Govt. print. off, 1878)

Report of the United States Entomological Commission - United States Entomological Commission. (Govt. print. off, 1885)

Report of the United States Geological Survey of the territories - Lesquereux, Léo, 1806 -1889 (Govt. Print. Off, 1873)

Report on the flora of western and southern Texas - Havard, Valery, 1846 -1927 (1885)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1924)

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 Rocky Mountain locust and other insects now injuring or likely to injure field and garden crops in the western states and territories - Packard, A. S. (Alpheus Spring), 1839 -1905 (U.S. Print. Off, 1877)

Report upon cotton insects, prepared under the direction of the commissioner of agriculture in pursuance of an act of Congress approved June 19, 1878 - Comstock, John Henry, 1849 -1931 (Gov't. print. off, 1879)

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.], 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.], 1853)

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)

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)

Researches, concerning the institutions & monuments of the ancient inhabitants of America : with descriptions & views of some of the most striking scenes in the Cordilleras! - Humboldt, Alexander von, 1769 -1859 (Published by Longman, Hurst, Rees, Orme & Brown, J. Murray & H. Colburn, 1814)

Researches concerning the institutions & monuments of the ancient inhabitants of America : with descriptions & views of some of the most striking scenes in the Cordilleras! - Humboldt, Alexander von, 1769 -1859 (Published by Longman, Hurst, Rees, Orme & Brown, J. Murray & H. Colburn, 1814)

Reseña sobre el cultivo de algunas plantas industriales que se explotan ó son susceptibles de explotarse en la República - Cordero, Manuel D. (Oficina Tipográfica de la Secretaría de Fomento, 1884)

Reseña sobre el cultivo de algunas plantas industríales que se explotan ó son susceptibles de explotarse en la república formanda - Cordero, Manuel D. (Oficina tipográfica de la secretaría de fomento, 1884)

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

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

Review of American birds, in the Museum of the Smithsonian Institution. Part 1, North and Middle America - Baird, Spencer Fullerton, 1823 -1887 (Smithsonian Institution, 1866)

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

Review of the southern South American spider genus Platnickia (Araneae, Zodariidae) - Platnick, Norman I. (American Museum of Natural History, 2008)

Review of the status and conservation actions for CMS concerted action species - UNEP World Conservation Monitoring Centre. (UNEP-WCMC, CMS Secretariat, 2004)

Revised checklist of bats (Chiroptera) of Mexico and Central America - Arroyo-Cabrales, Joaquin (Texas Tech University Press, 1988)

Revision der unterfamilie der Orthalicinen - Strebel, Hermann, 1834 -1914 (Lucas Gräfe & Sillem, 1909)

Revision of North-American species of Astragalus - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1923)

Revision of the American harvest mice : (genus Reithrodontomys) - Howell, Arthur H. (Arthur Holmes), 1872 -1940 (Government Print Office, 1914)

A revision of the king snakes: genus Lampropeltis - Blanchard, Frank Nelson, 1888 -1937 (Govt. print. off, 1921)

Revision of the large, stylated, fossorial crickets - Scudder, Samuel Hubbard, 1837 -1911 (Peabody Academy of Science, 1869)

Revision of the North American and West Indian species of Cuscuta - Yuncker, T. G. (Truman George), 1891 -1964 (s.n, 1921)

Revision of the shrews of the American genera Blarina and Notiosorex - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Government Printing Office, 1895)

A revision of the South American Nematognathi or cat-fishes - Eigenmann, Carl H., 1863 -1927 (California Academy of Sciences, 1890)

A revision of the spider genus Zorocrates Simon (Araneae, Zorocratidae) - Platnick, Norman I. (American Museum of Natural History, 2007)

Revision of the squirrels of Mexico and Central America - Nelson, Edward William, 1855 -1934 (The Academy, 1899)

Revisions of North American grasses - Chase, Agnes, 1869 -1963 (G.P.O, 1920)