Archiv für Naturgeschichte (Nicolai, 1848)

Archiv für Naturgeschichte (Nicolai, 1860)

Archiv für Naturgeschichte (Nicolai, 1874)

Archiv für Naturgeschichte (Nicolai, 1885)

Archiv für Naturgeschichte (Nicolai, 1886)

Archiv für Naturgeschichte (Nicolai, 1895)

Archiv für Naturgeschichte (Nicolai, 1896)

Archiv für Naturgeschichte (Nicolai, 1898)

Archiv für Naturgeschichte (Nicolai, 1900)

Archiv für Naturgeschichte (Nicolai, 1901)

Archiv für Naturgeschichte (Nicolai, 1902)

Archiv für Naturgeschichte (Nicolai, 1904)

Archiv für Naturgeschichte (Nicolai, 1905)

Archiv für Naturgeschichte (Nicolai, 1907)

Archiv für Naturgeschichte (Nicolai, 1909)

Archiv für Naturgeschichte (Nicolai, 1910)

Archivos do Museu Nacional do Rio de Janeiro - Museu Nacional (Brazil) ([Cysneiros & Cia, 1923)

Archivos do Museu Nacional do Rio de Janeiro - Museu Nacional (Brazil) ([Cysneiros & Cia, 1955)

Ardea - Nederlandsche Ornithologische Vereeniging. (Nederlandse Ornithlogische Unie, etc, 1923)

Argentina and Paraguay, specimen lists, 1920 - Wetmore, Alexander, 1886 -1978 (1920)

Argentine ornithology. A descriptive catalogue of the birds of the Argentine Republic - Hudson, W. H. (William Henry), 1841 -1922 (R. H. Porter, 1889)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 1994)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2003)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2014)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2017)

The ASB bulletin - Association of Southeastern Biologists. (Association of Southeastern Biologists, 1979)

Aspects of nature, in different lands and different climates; with scientific elucidations - Humboldt, Alexander von, 1769 -1859 (Lea and Blanchard, 1849)

Aspects of nature, in different lands and different climates with scientific elucidations - Humboldt, Alexander von, 1769 -1859 (J. Murray, 1849)

An assessment of potential conflicts between nesting raptors and human activities in the Long Pines area of southeastern Montana : with special emphasis on uranium development : final report - Allen, George T. (George Thomas) (Bureau of Baseline Studies, Montana Dept. of Fish and Game, 1979)

Atas do simpósio sobre a biota amazônica Belém, Pará, Brasil, Junho 6-11, 1966 - Lent, Herman (Conselho Nacional de Pesquisas (CNPQ), 1967)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1983)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1991)

Atti della Società italiana di scienze naturali - Società italiana di scienze naturali. (Coi tipi di G. Bernardoni, 1883)

Atti della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 1906)

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, 1988)

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

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

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

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

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

Audubon the naturalist; a history of his life and time - Herrick, Francis Hobart, 1858 -1940 (D. Appleton-Century Company, incorporated, 1938)

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

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1885)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1887)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1889)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1890)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1891)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1893)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1894)

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, 1897)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1898)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1900)

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

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1901)