Annual report : terrestrial baseline studies - Ecology Consultants, inc. (Rio Blanco Oil Shale Project, 1976)

Annual report to the Board of Trustees - Field Museum of Natural History. (The Field Museum, 2003)

Appendix: the California Desert Conservation Area : plan alternatives and environmental impact statement, draft - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, California State Office, 1980)

Apuntes para la fauna Puerto-Riqueña - Gundlach, Johannes Christoph, 1810 -1896 (s.n, 1878)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1897)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1935)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2000)

Arboretum bulletin of the associates - University of Pennsylvania. Morris Arboretum. (The Morris Arboretum of the University of Pennylvania, 1937)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1912)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1913)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1914)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1915)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1916)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1917)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1918)

Archiv für Naturgeschichte (Nicolai, 1847)

Archiv für Naturgeschichte (Nicolai, 1849)

Archiv für Naturgeschichte (Nicolai, 1853)

Archiv für Naturgeschichte (Nicolai, 1855)

Archiv für Naturgeschichte (Nicolai, 1857)

Archiv für Naturgeschichte (Nicolai, 1862)

Archiv für Naturgeschichte (Nicolai, 1867)

Archiv für Naturgeschichte (Nicolai, 1877)

Archiv für Naturgeschichte (Nicolai, 1880)

Archiv für Naturgeschichte (Nicolai, 1881)

Archiv für Naturgeschichte (Nicolai, 1884)

Archiv für Naturgeschichte (Nicolai, 1885)

Archiv für Naturgeschichte (Nicolai, 1888)

Archiv für Naturgeschichte (Nicolai, 1892)

Archiv für Naturgeschichte (Nicolai, 1894)

Archiv für Naturgeschichte (Nicolai, 1897)

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)

Archiv für Naturgeschichte (Nicolai, 1911)

Argentine ornithology. A descriptive catalogue of the birds of the Argentine Republic - Hudson, W. H. (William Henry), 1841 -1922 (R. H. Porter, 1888)

Aristotelis De natura animalium libri nouem ; De partibus animalium libri quattuor ; De generatione animalium libri quinq - Aristotle. (Impressum mandato & expensis nobilis uiri Domini Octauiani Scoti ciuis Modoeti esis per Bartholameum de Zanis de Portesio)

Arkiv för zoologi - Kungl. Svenska vetenskapsakademien. (P.A. Norstedt & soner, 1920)

Arkiv för zoologi - Kungl. Svenska vetenskapsakademien. (P.A. Norstedt & soner, 1922)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1971)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 2008)

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)

Atoll research bulletin - Smithsonian Institution ([Smithsonian Press, 1980)

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

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, 1955)

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

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

The Audubon magazine - National Audubon Society. (Forest and Stream Publishing Co.], 1888)

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 and Company, 1917)

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

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)