The birds of Tunisia; being a history of the birds found in the regency of Tunis - Whitaker, Joseph Isaac Spadafora, 1850 - (R.H. Porter, 1905)

The birds of Wiltshire. Comprising all the periodical and occasional visitants, as well as those which are indigenous to the county - Smith, Alfred Charles, 1822 -1898 (R.H. Porter, 1887)

The birds of Yorkshire : being a historical account of the avi-fauna of the County - Boyes, F. (A. Brown, 1907)

The birds of Yorkshire : being a historical account of the avi-fauna of the county - Boyes, F. (A. Brown, 1907)

Birds protected by federal law - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1966)

Birds protected by federal law - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1965)

Birney-Decker wildlife study Progress Report No. 2 : Spring and Summer - United States. Bureau of Land Management. (Montana Department of Fish and Game, Environment and Information Division, 1975)

Birney-Decker wildlife study : progress report no. 2, spring and summer (March 1975-August 1975) - Knapp, Stephen J. (The Dept.], 1975)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1965)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2014)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1959)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1967)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1966)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1968)

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

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

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

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

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1972)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1908)

Bollettino dei Musei di Zoologia e Anatomia Comparata della R. Università di Genova - Università di Genova. Museo di Zoologia e Anatomia Comparata. (Il Museo, 1899)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1883)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1885)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1887)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1899)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1903)

Bollettino della Società adriatica di scienze naturali in Trieste - Società adriatica di scienze naturali in Trieste. (La Editoriale Libraria, 1907)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1944)

Bollettino della Società entomologica italiana - Società entomologica italiana. (Fratelli Pagano - Tipografi Editori, 1882)

Bollettino della Societá romana per gli studi zoologici - Societá romana per gli studi zoologici. (La Societá, 1892)

Bonn zoological bulletin - Zoologisches Forschungsmuseum Alexander Koenig. (Zoologisches Forschungsmuseum Alexander Koenig, 2014)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1950)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1961)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1962)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1964)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1967)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1969)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1970)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1975)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1976)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1980)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1986)

Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn - Zoologisches Forschungsinstitut und Museum Alexander Koenig. (Das Forschungsinstitut, 1987)

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

The book of the seasons; or, The calendar of nature - Howitt, William, 1792 -1879 (R. Bentley, 1833)

The book of the seasons : or, The calendar of nature - Howitt, William, 1792 -1879 (Carey and Hart, 1842)

Boston journal of natural history - Boston Society of Natural History. Museum. (Boston Society of Natural History, 1840)

Bouwstoffen voor eene fauna van Nederland - Herklots, Jan Adriaan, 1820 -1872 (Brill, 1853)

Breeding birds of Ontario : nidiology and distribution - Royal Ontario Museum. (Royal Ontario Museum, 1983)

Brehms thierleben, allgemeine kunde des thierreichs - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliographischen instituts, 1879)

Brehms Tierleben; allgemeine kunde des thierreichs. Mit 1910 abbildungen im text, 11 karten und 180 tafeln in farbendruck und holzschnitt - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institute, 1893)

Brehms Tierleben : allgemeine Kunde des Tierreichs : mit 1800 Abbildungen im Text, 9 Karten und 180 Tafeln in Farbendruck und Holzschnitt - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1892)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1963)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1967)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1973)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1980)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1981)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1989)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1993)

British birds (1915)

British birds (1918)

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British birds (1925)

British birds (1926)

British birds (1929)

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British birds (1949)

British birds (1950)

British birds (1951)

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British birds (1958)

British birds (1959)

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British birds (1963)

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British birds (1966)

British birds (1967)

British birds (1968)

British birds (1969)

British birds (1970)

British birds (1971)

British birds (1972)