Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1908)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1881)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1880)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1925)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 2020)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1902)

Bulletin - Southern California Academy of Sciences. (The Academy, 1988)

Bulletin - Southern California Academy of Sciences. (The Academy, 1992)

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 Survey - Geological Survey (U.S.) (G.P.O, 1902)

Bulletin of the United States Geological Survey - Geological Survey (U.S.) (G.P.O, 1906)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1876)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1878)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1879)

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

Bulletin scientifique de la France et de la Belgique - Laboratoire d'évolution des êtres organisés (Paris, France) (Octave Doin, 1911)

Bulletin - Smithsonian Institution. (G.P.O, 1914)

Bulletin - Smithsonian Institution. (G.P.O, 1922)

Bulletin - Smithsonian Institution. (G.P.O, 1936)

Bulletin - Smithsonian Institution. (G.P.O, 1938)

Bulletin - Smithsonian Institution. (G.P.O, 1941)

Bulletin - Smithsonian Institution. (G.P.O, 1943)

Bulletin - Smithsonian Institution. (G.P.O, 1953)

Bulletin - Smithsonian Institution. (G.P.O, 1957)

Bulletin - Smithsonian Institution. (G.P.O, 1958)

Bulletin - Smithsonian Institution. (G.P.O, 1960)

Bulletin - Smithsonian Institution. (G.P.O, 1959)

Bulletin - Smithsonian Institution. (G.P.O, 1963)

Bulletin - Smithsonian Institution. (G.P.O, 1962)

Bulletin - Smithsonian Institution. (G.P.O, 1964)

Bulletin - Smithsonian Institution. (G.P.O, 1967)

Bulletin - Geographic Society of Chicago. (Published for the Society by the University of Chicago Press, 1913)

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. (1899)

California Bighorn Sheep (Ovis canadensis californiana) habitat management - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 1978)

The California horticulturist and floral magazine - Bay District Horticultural Society (F.A. Miller & Co, 1870)

The Cambridge natural history - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan and co., limited, 1902)

Canada's biodiversity : the variety of life, its status, economic benefits, conservation costs and unmet needs - McAllister, Don E. 1934 - (1995)

Canada's missing dimension : science and history in the Canadian Arctic Islands - Harington, C. R. (Charles Richard), 1933 - (Canadian Museum of Nature, 1990)

Canadian biodiversity - Canadian Museum of Nature (Canadian Museum of Nature, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1922)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1924)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1925)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1927)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1932)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1938)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1946)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1947)

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, 1961)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1966)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1967)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1970)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1972)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1974)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1977)

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