Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale in Milano - Museo civico di storia naturale di Milano. (Società Italiana di Scienze Naturali ; Museo Civico di Storia Naturale in Milano, 1990)

Atti della Società toscana di scienze naturali, residente in Pisa. Memorie - Società toscana di scienze naturali (s.n.], 1883)

Audubon and his journals - Coues, Elliott, 1842 -1899 (Nimmo, 1898)

Audubon and his journals - Coues, Elliott, 1842 -1899 (C. Scribner, 1897)

Audubon and his journals - Coues, Elliott, 1842 -1899 (Scribner's Sons, 1897)

Audubon and his journals - Coues, Elliott, 1842 -1899 (C. Scribner's Sons, 1899)

Audubon and his journals - Coues, Elliott, 1842 -1899 (J.C. Nimmo, 1898)

Audubon the naturalist; a history of his life and time - Herrick, Francis Hobart, 1858 -1940 (D. Appleton, 1917)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1884)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1886)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1888)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1892)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1895)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1896)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1899)

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

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1906)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1907)

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, 1918)

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

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)

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, 1915)

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, 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)

The Australian zoologist - Royal Zoological Society of New South Wales. (Royal Zoological Society of New South Wales, 1972)

Aves. Appendix: On some points in the anatomy of Bradypterus cinnamomeus - Pycraft, W. P. (William Plane), 1868 -1942 (Printed for the Society, 1910)

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 Hawaiienses : the birds of the Sandwich Islands - Gadow, Hans, 1855 -1928 (R.H. Porter, 1890)

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

Avian energetics - Nuttall Ornithological Club. (Nuttall Ornithological Club, 1974)

Avicula giornale ornitologico italiano (Agenzia del Giornale, 1897)

Avicula giornale ornitologico italiano (Agenzia del Giornale, 1900)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1897)

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

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, 1904)

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

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1906)

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

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1913)

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