South African journal of natural history - South African Biological Society. (South African Biological Society, 1921)

South African quarterly journal - South African Literary; Scientific Institution (1830)

South African quarterly journal - South African Literary; Scientific Institution (1833)

The Southern headwaters at risk project : a multi-species conservation strategy for the headwaters of the Oldman River - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Resource Data and Species at Risk Section, 2004)

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, 1950)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1964)

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

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1970)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1972)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1973)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1982)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1983)

Species list : birds, mammals, fish, reptiles, and amphibians for the Forest Service, including separate lists for Idaho, Montana and North Dakota - United States. Forest Service. Northern Region. (U.S. Dept. of Agriculture, Forest Service, Northern Region, 1978)

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

Lo spettacolo della natura : esposto in varj dialoghi concernenti la storia naturale : che sono più proprj a rendere li Giovani curiosi ed a formarne lo spirito - Pluche, Noël Antoine, 1688 -1761 (Presso Francesco di Niccolo' Pezzana, 1786)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1985)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1989)

Spolia zeylanica - Colombo Museum (Colombo Museum, 1918)

The sport of bird-study - Job, Herbert Keightley, 1864 -1933 (Macmillan, 1922)

The sportsman's British bird book - Lydekker, Richard, 1849 -1915 (Rowland Ward, 1908)

Sprawozdanie Komisyi Fizyograficznej (1899)

A spring and summer in Lapland - Old bushman, 1815 -1865 (Groombridge, 1871)

A spring and summer in Lapland : with notes on the fauna of Luleä Lapmark - Old bushman, 1815 -1865 (Groombridge and Sons, 1864)

Spring migration notes of the Chicago area - Leopold, Nathan Freudenthal, 1904 -1971 ([G.W. Lewis Pub. Co.], 1920)

Spring notes from Tennessee - Torrey, Bradford, 1843 -1912 (Houghton, Mifflin and company, 1896)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1885)

State forest land management plan : draft environmental impact statement - Montana. Department of State Lands (The Dept, 1995)

State forest land management plan : final environmental impact statement - Montana. Department of Natural Resources; Conservation (Dept. of Natural Resources and Conservation, 1996)

State of North America's birds of prey - American Ornithologists' Union. (Nuttall Ornithological Club, 2008)

Station bulletin - New Hampshire Agricultural Experiment Station. (Agricultural Experiment Station, University of New Hampshire, 1948)

Statistics of the state of Georgia : including an account of its natural, civil, and ecclesiastical history ; together with a particular description of each county, notices of the manners and customs of its aboriginal tribes, and a correct map of the state - White, George, 1802 -1887 (W. Thorne Williams, 1849)

Status and management of neotropical migratory birds : September 21-25, 1992, Estes Park Center, YMCA of the Rockies, Colorado - U.S. Fish; Wildlife Service (Rocky Mountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1993)

Status of the burrowing owl (Speotyto cunicularia hypugaea) in Alberta - Alberta. Alberta Environmental Protection. (Alberta Environmental Protection, Wildlife Management Division, Status and Surveys Branch, 1997)

Status of the ferruginous hawk (Buteo regalis) in Alberta : update 2006 - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Resource Data and Species At Risk Section, 2006)

Status of the peregrine falcon (Falco peregrinus anatum) in Alberta - Alberta. Alberta Environmental Protection. (Alberta Environmental Protection, Wildlife Management Division, Status and Surveys Branch, 1997)

Stemmata avium : quadraginta tabulis aeneis ornata ; accedunt nomenclatores, Polono-latinus et Latino-polonus = Geschlechtstafeln der Vögel, mit vierzig Kupfern erläutert - Klein, Jacob Theodor, 1685 -1759 (Apud Adam. Henr. Holle, 1759)

Storia della letteratura italiana nel secolo XVIII - Lombardi, Antonio, 1768 -1847 (Tipografia Camerale, 1827)

Storia naturale degli uccelli che nidificano in Lombardia : ad illustrazione della raccolta ornitologica dei fratelli ercole ed Ernesto Turati - Bettoni, Eugenio. (coi tipi del pio Instituto del Patronato, 1863)

The story of a bird lover - Scott, William Earl Dodge, 1852 -1910 (The Outlook Company, 1904)

The story of a bird lover - Scott, William Earl Dodge, 1852 -1910 (Macmillan, 1904)

The story of a bird lover - Scott, William Earl Dodge, 1852 -1910 (The Outlook Company, 1903)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1872)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1874)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1875)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1876)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1877)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1878)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1879)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1880)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1887)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1873)

The structure and classification of birds - Beddard, Frank E. (Frank Evers), 1858 -1925 (Longmans, Green, and co, 1898)

The student's natural history - Baird, William, 1803 -1872 (C. Griffin, 1863)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1905)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and co, 1898)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1932)

Studies of the American Falconidae - Ridgway, Robert, 1850 -1929 (1876)

Studies on Cenozoic vertebrates of western North America ... - Colbert, Edwin H. 1905 -2001 (Carnegie Institution of Washington, 1938)

Studies on the structure & development of vertebrates - Goodrich, Edwin S. (Edwin Stephen), 1868 -1946 (Macmillan, 1930)

A study of the incubation periods of birds; what determines their lengths - Bergtold, W. H. (William Harry), 1865 -1956 (The Kendrick-Bellamy co, 1917)