Report on the birds of Minnesota - Hatch, Philo L., 1823 -1904 (1874)

Report on the birds of Pennsylvania. With special reference to the food-habits, based on over three thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1888)

Report on the birds of Pennsylvania : with special reference to the food habits, based on over four thousand stomach examinations - Warren, Benjamin Harry, 1858 -1926 (E.K. Meyers, State Printer, 1890)

Report on the birds of Pennsylvania : with special reference to the food habits, based on over three thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1888)

Report on the birds of Pennsylvania. With special reference to the food-habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E. K. Meyers, state printer, 1890)

Report on the birds of Pennsylvania; with special reference to the food habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1890)

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 upon natural history collections made in Alaska : between the years 1877 and 1881 - Bean, Tarleton H. (Tarleton Hoffman), 1846 -1916 (Government Printing Office, 1887)

Report upon natural history collections made in Alaska between the years 1877 and 1881 - Bean, Tarleton H. (Tarleton Hoffman), 1846 -1916 (Govt. Print. Off, 1887)

Report upon the condition and progress of the U.S. National Museum during the year ending June 30 ... - United States National Museum (G.P.O, 1905)

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)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan, 1910)

Results of a biological reconnoissance of south-central Idaho - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1891)

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

A review of the genera of grouse (Aves, Tetraoninae) - Short, Lester L. (American Museum of Natural History, 1967)

A revised catalogue of the birds of Kansas : with descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

A revised catalogue of the birds of Kansas. With descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

Revised list of birds of Central New York - Rathbun, Frank R., (Harvard local name) (Daily Advertiser and Weekly Journal Book and Job Printing House, 1879)

A revised list of Cincinnati birds - Langdon, Frank Warren, 1852 -1933 (Barclay, 1879)

A revised list of the birds of Brookline, Massachusetts - Howe, Reginald Heber, Jr. 1875 -1932 (1902)

Revue critique de l'Ornithologie Européenne de M. De Selys Longchamps - Bonaparte, Charles-Lucien, 1803 -1857 (1850)

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

Revue des sciences naturelles de l'ouest - Institut international de bibliographie scientifique. (Revue des sciences naturelles de l'ouest, 1893)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1873)

Rhea - Thienemann, Friedrich August Ludwig, 1793 -1858 (F.A. Brockhaus, 1846)

The Riverside natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (Houghton, Mifflin and company, 1888)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1913)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1914)

Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago (Ufficio, 1893)

Rod and gun - Canadian Forestry Association. (Rod and Gun Pub. Co. [etc.], 1909)

The rod and gun and American sportsman ([Rod and Gun Association, 1876)

Roosevelt wild life annals - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (Roosevelt Wild Life Forest Experiment Station, 1932)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1921)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1923)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1925)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1926)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1929)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1935)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1937)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1939)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1895)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1895)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

The ruffed grouse, its life story, ecology and management - Edminster, Frank C. (Frank Custer), 1903 - (The Macmillan company, 1947)

The ruffed grouse; life history, propagation, management - Bump, Gardiner, 1902 - (1947)

Saggio di una distribuzione metodica degli animali vertebrati - Bonaparte, Charles-Lucien, 1803 -1857 (1831)

Schweizerische Blätter für Ornithologie : Geflügel-Tauben- und Kaninchenzucht - Schweizerischer Geflügelzucht-Verein. (Schweizerischer Geflügelzucht-Verein, 1911)

Science - American Association for the Advancement of Science. ([s.n.], 1884)

Science - American Association for the Advancement of Science. ([s.n.], 1894)

Science - American Association for the Advancement of Science. ([s.n.], 1895)

Science - American Association for the Advancement of Science. ([s.n.], 1907)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1881)

Selected minerals in soils, plants and pheasants : an ecosystem approach to understanding pheasant distribution in Illinois - Jones, Robert L. (Robert Lewis), 1936 - (Dept. of Registration and Education, Natural History Survey Division, 1968)

Shasta-Trinity National Forests : final environmental impact statement, land and resource management plan : Humboldt, Modoc, Shasta, Siskiyou, Tehama and Trinity Counties, California - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Region, 1994)

sheng wu ming cheng he sheng wu xue shu yu de ci yuan - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (ke xue chu ban she, 1979)

Shooting on upland, marsh, and stream. A series of articles written by prominent sportsmen, descriptive of hunting the upland birds of America ... - Leffingwell, William Bruce, (Rand, McNally, 1890)

Shooting on upland, marsh, and stream : a series of articles written by prominent sportsmen, descriptive of hunting the upland birds of America - Leffingwell, William Bruce. (S. Low, Marston, Searle, & Rivington, 1890)

Shooting on upland, marsh, and stream. A series of articles written by prominent sportsmen, descriptive of hunting the upland birds of America ... - Leffingwell, William Bruce. (Rand, McNally, 1890)

Siberia in Europe: a visit to the valley of the Petchora, in north-east Russia; with descriptions of the natural history, migration of birds, etc - Seebohm, Henry, 1832 -1895 (J. Murray, 1880)

Sixth annual report of the United States geological survey of the Territories, embracing portions of Montana, Idaho, Wyoming, and Utah : being a report of progress of the explorations for the year 1872 - Geological; Geographical Survey of the Territories (U.S.) (G.P.O, 1873)

Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1892)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1859)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1875)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1878)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1881)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1882)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1901)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1940)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1956)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1962)

Soft-rayed Bony fishes : class Osteichthyes, order Acipenseroidei, order Lepisostei, order Isospondyli, suborder Elopoidea, suborder Clupeoidea, suborder Salmonoidea - Bigelow, Henry B. (Henry Bryant), 1879 -1967 (Sears Foundation for Marine Research, Yale University, 1963)

Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions - Hilgard, Eugene W. (Eugene Woldemar), 1833 -1916 (The Macmillan Company, 1906)

Special bulletin - Smithsonian Institution (Government Printing Office, 1892)

Special papers - Ohio Academy of Science. (The Academy, 1903)

Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1968)

Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1969)

Species taxa of North American birds; a contribution to comparative systematics - Mayr, Ernst, 1904 -2005 (The Club, 1970)

The sportsman and naturalist in Canada, or, Notes on the natural history of the game, game birds and fishing of that country - King, William Ross, 1822 -1890 (Hurst and Blackett, 1866)

The sportsman and naturalist in Canada, or Notes on the natural history of the game, game birds, and fish of that country - King, William Ross, 1822 -1890 (Hurst and Blackett, 1866)