Sandgrouse - Ornithological Society of the Middle East. (OSME, 2000)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2001)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2003)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2004)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2005)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2006)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2007)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2008)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2010)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2011)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2012)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2013)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2014)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2015)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2016)

Schreibers kleiner Atlas der einheimischen Vögel (J.F. Schreiber)

Schriften der Physikalisch-Ökonomischen Gesellschaft zu Königsberg - Physikalisch-Ökonomische Gesellschaft zu Königsberg (In Commission bei Gräfe und Unzer, 1909)

Science - American Association for the Advancement of Science. ([s.n.], 1914)

Science guide - American Museum of Natural History (The Museum, 1944)

Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 1942)

Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 2015)

Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 1949)

Scientific reports / British Graham Land Expedition 1934-1937 - British Museum (Natural History) (BM(NH), 1940)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1977)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1978)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1982)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1983)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1987)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1989)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1992)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1991)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1993)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1994)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1998)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2008)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2016)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2017)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2019)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2020)

Scopus Special Supplement Special Supplement - East Africa Natural History Society.

Scopus Special Supplement Special Supplement - East Africa Natural History Society. (2014)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1978)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1979)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1980)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1981)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1982)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1983)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1985)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1986)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1987)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1988)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1989)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1990)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1991)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1992)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1993)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1994)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1995)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1996)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1997)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1998)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1999)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2000)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2001)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1961)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1960)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1958)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1962)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1964)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1972)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1974)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1978)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1980)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1982)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1986)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1993)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2010)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2011)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2012)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2013)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2014)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2015)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2016)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2017)

The Scottish naturalist (T. Buncle & Co. [etc.], 1956)

The Scottish naturalist (T. Buncle & Co. [etc.], 1957)

A serological and ectoparasite survey of migratory birds in northeast Africa; final report - Watson, George E. (George Elder),‏ ‎ 1931 - (Dept. of Vertebrate Zoology, Smithsonian Institution, 1972)

Sex and internal secretions - Allen, Edgar, 1892 -1943 (Williams & Wilkins, 1961)

Shasta-Trinity National Forests : draft environmental impact statement, land and resource management plan : Humboldt, Modoc, Shasta, Siskiyou, Tehama and Trinity Counties, California - United States. Forest Service. ([San Francisco, Calif.], 1993)

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)

Sketch-book of British birds - Sharpe, Richard Bowdler, 1847 -1909 (Society for Promoting Christian Knowledge, 1898)

Sketches of South African bird-life - Haagner, Alwin (Alwin Karl), 1880 -1962 (T. M. Miller, 1914)

Sketches of South African bird-life - Haagner, Alwin (Alwin Karl), 1880 -1962 (T.M. Miller)

Sketches of South African bird-life - Haagner, Alwin (Alwin Karl), 1880 -1962 (R. H. Porter; [etc., etc.], 1908)

Slides and photographs List 29 Birds of New York State - University of the State of New York. Visual Instruction Division. (1920)

Smithsonian contributions to paleobiology - Smithsonian Institution (Smithsonian Institution Press, 1999)

Smithsonian herpetological information service - Smithsonian Institution (Division of Reptiles and Amphibians, U.S. National Museum, 1989)