The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1876)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1902)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1903)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1908)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1909)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1915)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1911)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1912)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1913)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1914)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1916)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1919)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1918)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1915)

Aves de México : lista actualizada de especies y nombres comunes 2015 - Gómez de Silva, Héctor (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2015)

As aves do Estado de S. Paulo - Ihering, H. von (Hermann), 1850 -1930 (Typ. a vapor de Hennies irmãos, 1898)

Aves nuevas del Paraguay. Continuación á Azara - Bertoni, Arnaldo de Winkelried, 1878 -1973 (Talleres nacionales de H. Kraus, 1901)

Avian medicine : principles and application - Harrison, Greg J. (Wingers Pub, 1994)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1895)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1900)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1905)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1907)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1911)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1914)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1915)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1920)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1922)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1923)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1929)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1894)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1933)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1937)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1939)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1940)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1947)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1952)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1954)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1957)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1958)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1960)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1961)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1962)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1963)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1971)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1973)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1974)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1975)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1976)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1982)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1985)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1986)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1988)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1990)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1991)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1992)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1998)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2000)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2002)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2014)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2017)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1847)

Bericht über die Leistungen in der Naturgeschichte der Vögel - Pelzeln, August von, 1825 -1891 (1882)

Berliner entomologische Zeitschrift / herausgegeben von dem Entomologischen Verein in Berlin - Berliner Entomologischer Verein (In Commission der Nicolai'schen Verlagsbuchhandlung, 1883)

Bibliographia zoologiæ et geologiæ. A general catalogue of all books, tracts, and memoirs on zoology and geology - Agassiz, Louis, 1807 -1873 (Ray society, 1854)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1905)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1909)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1912)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1914)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 3, Subject index - Field Museum of Natural History. (Field Museum of Natural History, 1946)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 4, Finding index - Field Museum of Natural History. (Field Museum of Natural History, 1959)

A bibliography of birds : with special reference to anatomy, behavior, biochemistry. Part 2, Author catalogue K to Z - Field Museum of Natural History. (Field Museum of Natural History, 1939)

Bibliotheca zoologica [I] Verzeichniss der schriften ©ơber zoologie, welche in den periodischen werken enthalten und vom jahre 1846-1860 selbst©Þndig erschienen sind. Mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1861)

Bibliotheca zoologica [I] Verzeichniss der Schriften über zoologie, welche in den Periodischen werken enthalten und vom Jahre 1846-1860 selbständig erschienen Sind - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1861)