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, 1986)

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

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

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

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

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

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, 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, 1976)

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, 1999)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2003)

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, 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.], 1913)

The Scottish naturalist (T. Buncle & Co. [etc.], 1914)

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.], 1920)

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

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

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

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.], 1936)

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

The Scottish naturalist (T. Buncle & Co. [etc.], 1939)

The Scottish naturalist (T. Buncle & Co. [etc.], 1949)

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

The Scottish naturalist (T. Buncle & Co. [etc.], 1952)

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

Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 2000)

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

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

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)

shan xi qing mu chuan zi ran bao hu qu de sheng wu duo yang xing 陕西青木川自然保护区的生物多样性 - jiang zhi gang zhu bian 蒋志刚主编 (qing hua da xue chu ban she 清华大学出版社)

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

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1883)

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

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, 1948)

Society for the Protection of Birds : educational series - Royal Society for the Protection of Birds (The Society's Publishing Office, 1896)

Some birds of the Canary Islands and South Africa - Harris, Henry E. (R.H. Porter, 1901)

Species list of Alaskan birds, mammals, fish, amphibians, reptiles, and invertebrates - United States. Forest Service. (Department of Agriculture, Forest Service, Alaska Region, 1979)

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

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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)