Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1948)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1953)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1960)

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

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1880)

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

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1880)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1879)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1884)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1901)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1902)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1911)

The Bulletin of zoological nomenclature - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1952)

The Bulletin of zoological nomenclature - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1955)

The Bulletin of zoological nomenclature - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1962)

The Bulletin of zoological nomenclature - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1963)

The Bulletin of zoological nomenclature - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1995)

The Bulletin of zoological nomenclature - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1996)

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

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1988)

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1991)

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

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1994)

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1996)

Bulletin / Ornithological Society of the Middle East - Ornithological Society of the Middle East. (Ornithological Society of the Middle East, 1982)

Bulletin - Peabody Museum of Natural History. (The Museum, 1958)

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

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

Bulletin - Peabody Museum of Natural History. (The Museum, 1972)

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1905)

Bulletin - Smithsonian Institution. (G.P.O, 1949)

Bulletins - Minnesota Academy of Sciences, Minneapolis

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)

Burma, its people and productions; or, Notes on the fauna, flora, and minerals of Tenasserim, Pegu, and Burma - Theobald, W. (William), 1829 -1908 (S. Austin, 1882)

Butlletí de la Institució Catalana d'Història Natural - Institució Catalana d'Història Natural (Barcelona, Spain) (1904)

C. Dumeril's, Doctors und Professors an der medicinischen Schule zu Paris, Analytische Zoologie - Duméril, C. (Constant), 1774 -1860 (Im Verlage des Landes-Industrie-Comptoirs, 1806)

The Cabinet of natural history and American rural sports, with illustrations (J. & T. Doughty, 1830)

The Cabinet of natural history and American rural sports, with illustrations (J. & T. Doughty, 1832)

Cage and chamber-birds; their natural history, habits, food, diseases, management, and modes of capture - Sweet, Robert, 1783 -1835 (G. Bell and sons, 1892)

Cage and chamber-birds; their natural history, habits, food, diseases, management, and modes of capture - Sweet, Robert, 1783 -1835 (H.G. Bohn, 1856)

Cage and chamber-birds : their natural history, habits, food, diseases, management, and modes of capture - Sweet, Robert, 1783 -1835 (H.G. Bohn, 1865)

Cage birds and bird world (F. Carl, 1907)

Cage birds and bird world (F. Carl, 1912)

Cage birds and bird world (F. Carl, 1915)

Cage birds and bird world (F. Carl, 1916)

The calendar of nature, or, The seasons of England - Cradock, E. Grove, Mrs. (Dickinson, Bros, 1849)

The Canadian naturalist : a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (John van Voorst, 1840)

The Canadian naturalist : a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (Coles, 1971)

The Canadian naturalist a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (J. van Voorst, 1840)

The Canadian naturalist and geologist - Natural History Society of Montreal. (B. Dawson, 1862)

The Canadian naturalist and quarterly journal of science : with proceedings of the Natural History Society of Montreal - Natural History Society of Montreal. (Dawson, 1875)

The Canadian naturalist : a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (J. Van Voorst, 1840)

The Canadian naturalist a series of conversations on the natural history of Lower Canada - Gosse, Philip Henry, 1810 -1888 (John Van Voorst, 1840)

Canaries, hybrids, and British birds in cage and aviary - Lewer, Sidney Herbert, 1862 - (Cassell, 1926)

Carl von Linné, Vollständiges Natursystem - Linné, Carl von, 1707 -1778 (bey Gabriel Nicolas Raspe, 1773)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1930)

Caroli a Linné ... Systema naturæ per regna tria naturæ, secundum classes, ordines, genera, species; cum characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (apud J.B. Delamolliere, 1789)

Caroli a Linné ... Systema naturae : per regna tria natura, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Impensis direct. Laurentii Salvii, 1766)

Caroli a Linné ... Systema naturae : per regna tria natura, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Impensis direct. Laurentii Salvii, 1767)

Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (Impensis Georg. Emanuel. Beer, 1788)

Caroli Illigeri D. Acad. Reg. Scient. Berolinens. et Bavaricae Sod. Museo Zoologico Berolin. praefecti professoris extraord. Prodromus systematis mammalium et avium : additis terminis zoographicis utriusque classis, eorumque versione germanica - Illiger, Johann Karl Wilhelm, 1775 -1813 (Sumptibus C. Salfeld, 1811)

Caroli Illigeri ... Prodromus systematis mammalium et avium additis terminis zoographicis utriusque classis, eorumque versione germanica - Illiger, Johann Karl Wilhelm, 1775 -1813 (sumptibus C. Salfeld, 1811)