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, 1910)

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, 1914)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1917)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1918)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1920)

Aus de Wanderjahren eines Naturforschers. Reisen und Forschungen in Afrika, Asien und Amerika ... Meist ornithologischen Studien - Hartert, Ernst, 1859 -1933 (R. Friedländer & Sohn [etc.], 1901)

Aus der Heimat des Kanarienvogels. Schilderung des Kanarischen Inseln und ihrer Vogelwelt - Floericke, Kurt, 1869 -1934 (Selbstverlag der Bersassers, 1905)

Aus der Heimath - Rossmässler, E. A. (Emil Adolf), 1806 -1867 (C. Flemming, 1863)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1912)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1913)

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)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1920)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1921)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (Witherby, 1922)

An Australian bird book : a pocket book for field use - Leach, J. A. (John Albert), 1870 -1929 (Whitcombe & Tombs, 1918)

An authentic history of Lancaster County : in the state of Pennsylvania - Mombert, J. I. (Jacob Isidor), 1829 -1913 (J.E. Barr & Co, 1869)

An authentic history of Lancaster County, in the state of Pennsylvania - Mombert, J. I. (Jacob Isidor), 1829 -1913 (J.E. Barr & Co, 1869)

Autobiographical notes and a bibliography of the scientific publications of Joel Asaph Allen - Allen, J. A. (Joel Asaph), 1838 -1921 (The Museum, 1916)

Aves da Peninsula Iberica e especialmente de Portugal - Paulino d'Oliveira, M. (Imprensa da universidade, 1896)

Aves de la Isla de Cuba - Lembeye, Juan. (Imprenta del Tiempo, 1850)

Aves de rapiña y su caza - Medinaceli, duque de. (S. A. Blass, 1918)

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

Aves Hungariae : enumeratio systematica avium Hungariæ cum notis brevibus biologicis, locis inventionis virorumque a quibus oriuntur - Frivaldszky, János, 1822 -1895 (Typis Societatis Frankli, 1891)

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

Aves polynesiae : a catalogue of the birds of the Polynesian subregion - Wiglesworth, Lionel W. (Lionel William), 1865 -1901 (R. Friedlaender & Sohn, 1891)

Avicula giornale ornitologico italiano (Agenzia del Giornale, 1897)

Avicula giornale ornitologico italiano (Agenzia del Giornale, 1900)

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

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1902)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1903)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1908)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1909)

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

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1917)

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

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1921)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1927)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1928)

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

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

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1943)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1970)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1972)

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

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

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

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1989)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 2010)

Avifauna italica. Elenco delle specie di uccelli stazionarie o di passaggio in Italia, colla loro sinonimia volgare e con notizie più specialmente intorno alle migrazioni ed alla nidificazione - Giglioli, Enrico Hillyer, 1845 -1909 (Coi tipi dei successori Le Monnier, 1886)

Avifauna italica : nuovo elenco sistematico delle specie di uccelli stazionarie, di passaggio o di accidentale comparsa in Italia - Giglioli, Enrico Hillyer, 1845 -1909 (Ufficino ornitologico, 1907)

Avifauna Macedonica : die ornithologischen Ergenisse der Forschungsreisen, unternommen nach Mazedonien durch Prof. Dr. Doflein und Prof. L. Müller ... in den Jahren 1917 und 1918 - Stresemann, Erwin, 1889 -1972 (Dultz & co, 1920)

The avifauna of British India and its dependencies : a systematic account, with descriptions of all the known species of birds inhabiting British India, observations on their habits, nidification, &c., tables of their geographical distribution in Persia, Beloochistan, Afghanistan, Sind, Punjab, N.W. provinces, and the peninsular of India generally - Murray, James A., F.S.A.L. (Trübner, 1888)

Die Avifauna von Timor - Hellmayr, Carl Eduard, 1878 -1944 (Im Kommissionsverlag der E. Schweizerbartschen Verlags Buchhandlung, 1914)

Avium species novae, quas in itinere annis MDCCCXVII-MDCCCXX per Brasiliam - Martius, Karl Friedrich Philipp von, 1794 -1868 (Impensis editores, 1838)