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Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1961)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1969)

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Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1962)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1978)

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Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1906)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1919)

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Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 1995)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 2005)

Bonner zoologische Monographien (Zoologisches Forschungsinstitut und Museum Alexander Koenig, 2011)

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British birds - Beddard, Frank E. (Frank Evers), 1858 -1925 (Longmans, Green, and co, 1921)

British birds - Beddard, Frank E. (Frank Evers), 1858 -1925 (Longmans, Green, and co, 1895)

British birds (1908)

British birds (1909)

British birds (1910)

British birds (1911)

British birds (1922)

British birds (1925)

British birds (1930)

British birds (1931)

British birds (1932)

British birds (1937)

British birds (1942)

British birds (1944)

British birds (1949)

British birds (1950)

British birds (1951)

British birds (1952)

British birds (1953)

British birds (1954)

British birds (1955)

British birds (1956)

British birds (1957)

British birds (1958)

British birds (1959)

British birds (1960)

British birds (1961)

British birds (1962)

British birds (1963)