Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2005)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2006)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2009)

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

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1874)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1875)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1876)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1876)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1913)

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, 1934)

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

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1878)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1874)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1877)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1878)

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 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, 1881)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1883)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1885)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1887)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1904)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1914)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1914)

The Bulletin of zoological nomenclature - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, 1975)

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

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1995)

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, 1971)

Bulletin Scientifique / Académie Impériale des Sciences de Saint Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Académie Impériale des Sciences de Saint Pétersbourg, 1837)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1905)

Calcutta journal of natural history, and miscellany of the arts and sciences in India - McClelland, John 1805 -1883 (Bishop's College Press, 1840)

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

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)

The Canadian bird book : illustrating in natural colors more than seven hundred north American birds, also several hundred photographs of their nests and eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Musson Book Co, 1914)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1933)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1940)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1945)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1949)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1978)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1979)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1982)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1995)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2000)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2002)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2009)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2014)

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

Carl von Linnés ungdomsskrifter - Linné, Carl von, 1707 -1778 (P.A. Norstedt & söners, 1889)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1915)

Caroli a Linnæ, ... Materia medica - Schreber, Johann Christian Daniel, 1739 -1810 (Apud Wolfgangum Waltherum, 1782)

Caroli a Linné ... Materia medica - Schreber, Johann Christian Daniel, 1739 -1810 (Apud Wolfgangum Waltherum, 1787)

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)