Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2012)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2013)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2014)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2015)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2016)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1893)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1919)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1939)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1961)

Bulletin of the Philippine Museum - Philippine Museum. (Bureau of Public Printing, 1903)

Bulletin of the Texas Ornithological Society - Texas Ornithological Society. (Texas Ornithological Society, 2014)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1882)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1896)

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1986)

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1987)

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1993)

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1998)

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 2001)

Bulletin - Peabody Museum of Natural History. (The Museum, 1964)

Bulletin - Peabody Museum of Natural History. (The Museum, 1970)

Bulletin Zoologique : Contenant l'Analyse Raisonnee des Ouvrages les plus Remarquables (F. Lequien, 1835)

Bulletins de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1879)

A bush calendar - Mack, Amy E. (Amy Eleanor) (Angus & Robertson, 1909)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1899)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1900)

Canberra Botanic Gardens - National Botanic Gardens (Australia) (Dept. of the Interior, 1970)

Cassell's book of birds - Brehm, Alfred Edmund, 1829 -1884 (Cassell, Petter and Galpin, 1875)

Cassell's book of birds : from the text of Dr. Brehm - Brehm, Alfred Edmund, 1829 -1884 (Cassell, Petter, and Galpin, 1869)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell & Company, Limited, 1896)

Catálogo sistemático de toda la fauna de Filipinas conocida hasta el presente - Elera, Casto de, 1852 - (Imprenta del colegio de Santo Tomás, 1895)

Catálogo sistemático de toda la fauna de Filipinas conocida hasta el presente - Elera, Casto de, 1852 - (Imprenta del colegio de Santo Tomás, 1896)

Catalogo sistematico degli uccelli di Borneo - Salvadori, Tommaso, 1835 -1923 (1874)

Catalogue des collections ornithologiques en vente chez - Bouvier, Aimé. (A. Bouvier, 1874)

Catalogue of a collection of birds belonging to H.B. Tristram ... - Tristram, H. B. (Henry Baker), 1822 -1906 (Printed at the "Advertiser" Office, 1889)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1879)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1894)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1896)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1914)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1918)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1921)

Catalogue of the Birds in the British Museum - British Museum (Natural History). Department of Zoology. [Birds]. (1879)

Catalogue of the Birds in the British Museum - British Museum (Natural History). Department of Zoology. [Birds]. (1883)

Catalogue of the Birds in the British Museum - British Museum (Natural History). Department of Zoology. [Birds]. (1888)

Catalogue of the birds in the Museum Asiatic Society - Blyth, Edward, 1810 -1873 (J. Thomas, 1849)

A catalogue of the birds in the Museum of the Honorable East India Company - East India Company. Museum. (1854)

Catalogue of the birds of New Zealand with diagnoses of the species - Hutton, Frederick Wollaston, 1836 -1905 (J. Hughes, printer, 1871)

Catalogue of the birds of the peninsula of India, arranged according to the modern system of classification : with brief notes on their habits and geographical distribution, and description of new, doubtful and imperfectly described species - Jerdon, T. C. (Thomas Claverhill), 1811 -1872 (1839)

Catalogue of the birds of the tropical islands of the Pacific Ocean, in the collection of the British Museum - British Museum (Natural History) (1859)

Catalogue of the Collection of Birds' Eggs in the British Museum - Oates, Eugene William, 1845 -1911 (1903)