1988 IUCN red list of threatened animals (1988)

1990 IUCN red list of threatened animals (1990)

1994 IUCN red list of threatened animals (1994)

Die Abstammung des Menschen und die geschlechtliche Zuchtwahl - Darwin, Charles, 1809 -1882 (E. Schweizerbart'sche Verlagshandlung, 1871)

Abstract of the proceedings of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1917)

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The African Republic of Liberia and the Belgian Congo : based on the observations made and material collected during the Harvard African Expedition, 1926-1927 - Strong, Richard P. (Richard Pearson), 1872 -1948 (Harvard University Press, 1930)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1969)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1970)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1978)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2000)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1901)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1886)

An analytical index to the works of the late John Gould - Sharpe, Richard Bowdler, 1847 -1909 (H. Sotheran, 1893)

Annales des sciences naturelles. Zoologie - Audouin, Jean Victor, 1797 -1841 (Crochard, 1854)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1873)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1874)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1875)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1877)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1878)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1884)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1896)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1907)

Annali del Museo civico di storia naturale Giacomo Doria - Museo civico di storia naturale Giacomo Doria (Genoa, Italy) (Stab. tipo-litografico P. Pellas Fu L, 1979)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1842)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1843)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1856)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1860)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1864)

The Annals and magazine of natural history; zoology, botany, and geology (Taylor and Francis, Ltd, 1870)

Annals of the Cape provincial Museums. Natural history - Albany Museum (Grahamstown, South Africa). (Published jointly by the Cape provincial museums at the Albany Museum, 1973)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1905)

Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum - South African Museum. (South African Museum, 1903)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1910)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1921)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1922)

Annual report for the year ended June 30 ... - United States National Museum (Smithsonian Institution, 1955)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1894)

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

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1913)

Archiv für Naturgeschichte. Abteilung A (Nicolai, 1915)

Archiv für Naturgeschichte (Nicolai, 1852)

Archiv für Naturgeschichte. Abteilung A (Nicolai, 1923)

Archiv für Naturgeschichte (Nicolai, 1873)

Archiv für Naturgeschichte (Nicolai, 1878)

Archiv für Naturgeschichte (Nicolai, 1880)

Archiv für Naturgeschichte (Nicolai, 1882)

Archiv für Naturgeschichte (Nicolai, 1885)

Archiv für Naturgeschichte (Nicolai, 1888)

Ardea - Nederlandsche Ornithologische Vereeniging. (Nederlandse Ornithlogische Unie, etc, 1915)

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

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

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory M 1876 -1949 (Witherby, 1914)

Austral avian record; a scientific journal devoted primarily to the study of the Australian avifauna - Mathews, Gregory M 1876 -1949 (Witherby, 1917)

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

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

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

Australian furs and feathers - Fitz-Gerald, Mary Anne. (Edwards, Dunlop, 1889)

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

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

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1925)

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The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1967)

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

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)

Avifauna of the Eastern Highlands of New Guinea - Diamond, Jared M. ([Nuttall Ornithological Club], 1972)

Baron Carl Claus von der Decken's Reisen in Ost-Afrika in den Jahren 1859 bis 1861 - Decken, Karl Klaus von der, freiherr, 1833 -1865 (C.F. Winter'ische Verlagshandlung, 1869)

Der Bau der Vögel - Marshall, William, 1845 -1907 (J.J. Weber, 1895)

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)

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1907)

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

Bibliographia zoologica - Concilium Bibliographicum. (Wilhelm Engelmann, 1913)

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 1, Author catalogue A to J - 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)

Bibliotheca zoologica II. verzeichness der schriften über zoologie welche in den periodischen werken enthalten und vom jahre 1861-1880 selbständig erschienen sind, mit einschluss der allgemein-naturgeschichtlichen, periodischen und paleontologischen schriften - Carus, Julius Victor, 1823 -1903 (Wilhelm Engelmann, 1887)

Binomial and trinomial index to The auk, 1884-1940, also including the Nuttall bulletin, 1876-1883, and the A.O.U. check-list of North American birds (all seven editions) - Pollock, Andrew W. ([Andrew W. Pollock III], 2015)

Biodiversity, biogeography and nature conservation in Wallacea and New Guinea - Telnov, Dmitry (The Entomological Society of Latvia, 2021)

Bird behaviour psychical and physiological - Finn, Frank, 1868 -1932 (Dodd, Mead, 1919)

Bird behaviour psychical and physiological - Finn, Frank, 1868 -1932 (Hutchinson & co, 1919)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1902)

Bird notes - Foreign Bird Club. (Foreign Bird Club, 1910)

The birds - Büttikofer, Johann, 1850 -1927 (1899)

Birds' nesting in India: a calendar of the breeding seasons, and a popular guide to the habits and haunts of birds - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 (Calcutta Central Press, 1877)

The birds of Africa, comprising all the species which occur in the Ethiopian region - Sclater, William Lutley, 1863 -1944 (Published for the author by R.H. Porter (18 Princes Street, Cavendish Square, W.), 1896)

The birds of Africa, comprising all the species which occur in the Ethiopian region - Sclater, William Lutley, 1863 -1944 (Published for the author by R.H. Porter (18 Princes Street, Cavendish Square, W.), 1906)

The Birds of Asia - Sharpe, Richard Bowdler, 1847 -1909 (Printed by Taylor and Francis, published by the author, 1850)

The birds of Australia - Broinowski, Gracius J. (Gracius Joseph), 1837 -1913 (C. Stuart & co, 1890)

The birds of Australia - Broinowski, Gracius J. (Gracius Joseph), 1837 -1913 (C. Stuart & co, 1891)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1918)

The birds of Australia - Gould, John 1804 -1881 (Printed by R. and J. E. Taylor; pub. by the author, 1848)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1920)

The birds of Australia, supplement - Gould, John 1804 -1881 (Printed by Taylor and Francis ... published by the author, 1869)

The birds of Celebes and the neighbouring islands - Meyer, Adolf Bernhard, 1840 -1911 (R. Friedländer & Sohn, 1898)