Bulletin of the United States National Museum - United States National Museum (G.P.O, 1950)

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1903)

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1915)

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

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1999)

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

Bulletin / Ornithological Society of the Middle East - Ornithological Society of the Middle East. (Ornithological Society of the Middle East, 1980)

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

Bulletin / Ornithological Society of the Middle East - Ornithological Society of the Middle East. (Ornithological Society of the Middle East, 1991)

Bulletin / Ornithological Society of the Middle East - Ornithological Society of the Middle East. (Ornithological Society of the Middle East, 1992)

Bulletin / Ornithological Society of the Middle East - Ornithological Society of the Middle East. (Ornithological Society of the Middle East, 1993)

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

Bulletin / Ornithological Society of Turkey - Ornithological Society of Turkey. (Ornithological Society of Turkey, 1970)

Bulletin / Ornithological Society of Turkey - Ornithological Society of Turkey. (Ornithological Society of Turkey, 1974)

Bulletin / Ornithological Society of Turkey - Ornithological Society of Turkey. (Ornithological Society of Turkey, 1976)

Bulletin / Ornithological Society of Turkey - Ornithological Society of Turkey. (Ornithological Society of Turkey, 1977)

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

Bulletin - Smithsonian Institution. (G.P.O, 1937)

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

Bulletin - Smithsonian Institution. (G.P.O, 1952)

Bulletin - Smithsonian Institution. (G.P.O, 1954)

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

Bulletin - State Geological and Natural History Survey of Connecticut - State Geological; Natural History Survey of Connecticut. (State Geological and Natural History Survey of Connecticut, 1904)

Bulletin. Biological series - University of Montana (Missoula) (University of Montana, 1901)

Bulletin - Vermont Bird Club (The Club, 1908)

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)

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)

California birds - California Field Ornithologists. (California Field Ornithologists, 1970)

California condors in the 21st century - American Ornithologists' Union. (Nuttall Ornithological Club, 2007)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1920)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1921)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1926)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1927)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1968)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1970)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1972)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1973)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1976)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1977)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1978)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1979)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1981)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1986)

California fish and game - California. Division of Fish; Game. (State of California, Resources Agency, Dept. of Fish and Game, 1991)

California ground squirrels : a bulletin dealing with life histories, habits and control of the ground squirrels of California / [by J. Grinnell, J, Dixon and others] - California. State Commission of Horticulture. (California State Printing Off, 1918)

Calving and related social behaviour in the barren-ground caribou - Lent, Peter Charles. (University of Alberta, Dept. of Zoology, 1964)

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, 1920)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1923)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1941)

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, 1947)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1948)

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, 1953)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1956)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1957)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1959)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1960)

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, 1969)

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, 1973)

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, 1975)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1976)

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, 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, 1980)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1981)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1983)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1984)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1985)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1986)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1990)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1992)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1993)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1994)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1996)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)