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, 1984)

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, 1987)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1988)

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, 1991)

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, 1998)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2013)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2014)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2015)

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 Special Supplement Special Supplement - East Africa Natural History Society.

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

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

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

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, 1994)

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

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1959)

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

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

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, 1966)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1968)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1970)

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, 1993)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1997)

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, 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)

The Scottish naturalist (T. Buncle & Co. [etc.], 1912)

The Scottish naturalist (T. Buncle & Co. [etc.], 1913)

The Scottish naturalist (T. Buncle & Co. [etc.], 1915)

The Scottish naturalist (T. Buncle & Co. [etc.], 1916)

The Scottish naturalist (T. Buncle & Co. [etc.], 1917)

The Scottish naturalist (T. Buncle & Co. [etc.], 1918)

The Scottish naturalist (T. Buncle & Co. [etc.], 1919)

The Scottish naturalist (T. Buncle & Co. [etc.], 1920)

The Scottish naturalist (T. Buncle & Co. [etc.], 1921)

The Scottish naturalist (T. Buncle & Co. [etc.], 1922)

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The Scottish naturalist (T. Buncle & Co. [etc.], 1923)

The Scottish naturalist (T. Buncle & Co. [etc.], 1926)

The Scottish naturalist (T. Buncle & Co. [etc.], 1927)

The Scottish naturalist (T. Buncle & Co. [etc.], 1928)

The Scottish naturalist (T. Buncle & Co. [etc.], 1929)

The Scottish naturalist (T. Buncle & Co. [etc.], 1935)

The Scottish naturalist (T. Buncle & Co. [etc.], 1936)

The Scottish naturalist (T. Buncle & Co. [etc.], 1937)

The Scottish naturalist (T. Buncle & Co. [etc.], 1938)

The Scottish naturalist (T. Buncle & Co. [etc.], 1950)

The Scottish naturalist (T. Buncle & Co. [etc.], 1954)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1947)

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)

shuang zi ye zhi wu fen lei - Zhong hua jiao yu wen hua ji jin dong shi hui bian yi wei yuan hui 中华教育文化基金董事会编译委员会 (shang wu yin shu guan fa xing)

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)

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)

Die Singvögel der Heimat - Kleinschmidt, Otto, 1870 - (Quelle & Meyer, 1921)

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

A sketch of the natural history (vertebrates) of the British Islands : With a concise bibliography of popular works relating to the British fauna, and a list of field clubs and natural history societies in the United Kingdom - Aflalo, Frederick G. (Frederick George), 1870 -1918 (W. Blackwood and Son, 1898)

A sketch of the natural history (vertebrates) of the British Islands. With a concise bibliography of popular works relating to the British fauna, and a list of field clubs and natural history societies in the United Kingdom - Aflalo, Frederick G. (Frederick George), 1870 -1918 (W. Blackwood and Son, 1898)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1907)

Skrifter utgit av Videnskapsselskapet i Kristiania I Matematisk-naturvidenskabelig klasse - Christiania videnskabs-selskab. I–Math.-naturv. klasse. (I Kommission hos J. Dybwad, 1914)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1904)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1948)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1980)

Societatum litterae (R. Friedländer, 1890)

Some Chinese vertebrates ... - Bangs, Outram, 1862 -1932 (Printed for the Museum, 1912)

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South Pacific birds - Du Pont, John E. (John Eleuthère), 1938 -2010 (Delaware Museum of Natural History, 1976)

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Spolia zeylanica - Colombo Museum (Colombo Museum, 1913)

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

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