Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1920)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1923)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1926)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1930)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1933)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1936)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1963)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1969)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1973)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1978)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1992)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1991)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2004)

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

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1872)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1873)

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

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

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1877)

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, 1948)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1949)

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)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2010)

Bulletin of the Natural History Museum. Botany series - Natural History Museum (London, England) (The Natural History Museum, 1999)

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1876)

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

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1881)

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1882)

Bulletin of the Nuttall Ornithological Club - Baird, Spencer Fullerton, 1823 -1887 (The Club, 1883)

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, 1882)

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, 1882)

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, 1881)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1907)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1946)

Bulletin / Ornithological Society of the Middle East - Ornithological Society of the Middle East. (Ornithological Society of the Middle East, 1994)

Bulletin / Ornithological Society of the Middle East - Ornithological Society of the Middle East. (Ornithological Society of the Middle East, 1995)

Bulletin - Peabody Museum of Natural History. (The Museum, 1952)

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

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1907)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1906)

Bullettino della Società botanica italiana - Società botanica italiana. (Società botanica italiana, 1905)

Cabinet timbers of Australia - Baker, Richard T. (Richard Thomas), 1854 -1941 (W.A. Gullick, Govt. Printer, 1913)

Cabinet timbers of Australia - Baker, Richard T. (Richard Thomas), 1854 -1941 (W. A. Gullick, government printer, 1913)

Cabinet timbers of Australia - Baker, Richard T. (Richard Thomas), 1854 -1941 (W.A. Gullick, government printer, 1913)

The Cactaceae : descriptions and illustrations of plants of the cactus family - Britton, Nathaniel Lord, 1859 -1934 (Carnegie Institution of Washington, 1923)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1895)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1950)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1951)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1980)

The Canadian handbook and tourist's guide : giving a description of Canadian lake and river scenery and places of historical interest, with the best spots for fishing and shooting - Small, H. Beaumont (Henry Beaumont), 1832 -1919 (M. Longmoore, 1867)

The Canadian handbook and tourist's guide; giving a description of Canadian lake and river scenery and places of historical interest with the best spots for fishing and shooting - Small, H. Beaumont (Henry Beaumont), 1832 -1919 (Longmoore, 1867)

The Canadian handbook and tourist's guide, giving a description of Canadian lake and river scenery and places of historical interest, with the best spots for fishing and shooting - Small, H. Beaumont (Henry Beaumont), 1832 -1919 (M. Longmoore & Co)

The Canadian handbook and tourist's guide ; giving a description of Canadian lake and river scenery and places of historical interest with the best spots for fishing and shooting - Small, H. Beaumont (Henry Beaumont), 1832 -1919 (M. Longmoore & co, 1867)

The Canadian handbook and tourist's guide, giving a description of Canadian lake and river scenery and places of historical interest, with the best spots for fishing and shooting - Small, H. Beaumont (Henry Beaumont), 1832 -1919 (M. Longmoore & Co, 1866)

The Canadian sportsman and naturalist - Couper, William, 1886 ([s.n.], 1881)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1921)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1924)

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

Caroli Linnæi ... Systema vegetabilium - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (sumtibus Librariae Dieterichianae, 1825)

Cassell's natural history - Duncan, P. Martin (Peter Martin), 1821 -1891 (Cassell, Petter & Galpin, 1876)

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

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

Castlemaine Naturalist - Castlemaine Field Naturalists Club (Castlemaine Field Naturalists Club, 1999)

Castlemaine Naturalist - Castlemaine Field Naturalists Club (Castlemaine Field Naturalists Club, 2000)

Castlemaine Naturalist - Castlemaine Field Naturalists Club (Castlemaine Field Naturalists Club, 2001)

Castlemaine Naturalist - Castlemaine Field Naturalists Club (Castlemaine Field Naturalists Club, 2003)

Castlemaine Naturalist - Castlemaine Field Naturalists Club (Castlemaine Field Naturalists Club, 2005)

Castlemaine Naturalist - Castlemaine Field Naturalists Club (Castlemaine Field Naturalists Club, 2015)

Catalog der Conchylien-Sammlung, mit Hinzufügung der bis jetzt publicirtne recenten Arten, sowie der ermittelten Synonyma - Paetel, Friedrich, 1812 -1888 (1889)

Catalog der Conchylien-Sammlung, mit Hinzufügung der bis jetzt publicirtne recenten Arten, sowie der ermittelten Synonyma - Paetel, Friedrich, 1812 -1888 (1890)

Catalog der Conchylien-Sammlung - Paetel, Friedrich, 1812 -1888 (Gebrüder Paetel, 1883)

Catalog der im europäischen Faunengebiet lebenden Binnenconchylien - Kobelt, Wilhelm, 1840 -1916 (T. Fischer, 1881)

Catalog der Lepidopteren des palaearctischen Faunengebietes - Staudinger, Otto, 1830 -1900 (1901)

Catalogue and index of the publications of the Hayden, King, Powell, and Wheeler surveys : namely geological and geographical survey of the territories, geological exploration of the fortieth parallel, geographical and geological surveys of the Rocky Mountain region, geographical surveys west of the one hundredth meridian - Geological Survey (U.S.) (G.P.O, 1904)

Catalogue des oiseaux d'Europe : pour servir de comple´ment et de supple´ment a l'ornithologie europe´enne de Degland et Gerbe (1867) - Trouessart, E.-L. (Edouard-Louis), 1842 -1927 (P. Klincksieck, L. Lhomme, 1912)

Catalogue des oiseaux du Canada - Macoun, John, 1831 -1920 (Impr. du Gouvernement, 1909)

Catalogue of birds, eggs and nests. Museum Greene Smith, Peterboro, N.Y., July 11, 1880 - Greene Smith Museum, Peterboro, N.Y. (s.n.], 1881)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History and including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities - Field Museum of Natural History. (1935)