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 Fish Commission - United States Fish Commission. (The Commission, Govt. Print. Off, 1900)

Bulletin of the United States Fish Commission - United States Fish Commission. (The Commission, Govt. Print. Off, 1903)

Bulletin of the United States Fish Commission - United States Fish Commission. (The Commission, Govt. Print. Off, 1905)

Bulletin of the United States Geological and Geographical Survey of the Territories - Geological; Geographical Survey of the Territories (U.S.) (Government Printing Office, 1875)

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 National Museum - United States National Museum (G.P.O, 1881)

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, 1885)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1898)

Bulletin of the United States National Museum - United States National Museum (G.P.O, 1896)

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

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, 1911)

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1987)

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

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 1997)

Bulletin / Oriental Bird Club - Oriental Bird Club. (the Club, 2002)

Bulletin / Ornithological Society of the Middle East - Ornithological Society of the Middle East. (Ornithological Society of the Middle East, 1978)

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, 1988)

Bulletin / Ornithological Society of the Middle East - Ornithological Society of the Middle East. (Ornithological Society of the Middle East, 1990)

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, 1975)

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

Bulletin Scientifique / Académie Impériale des Sciences de Saint Petersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Académie Impériale des Sciences de Saint Pétersbourg, 1842)

Bulletin scientifique du Département du Nord et des pays voisins (Impr. de Six-Horemans, 1876)

Bulletin trimestriel de la Société mycologique de France - Société mycologique de France. (La Société, 1923)

Bulletin - Vermont Bird Club (The Club, 1906)

Bulletin - Vermont Bird Club (The Club, 1914)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 1992)

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)

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

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

Cage birds and bird world (F. Carl, 1911)

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

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

California birds - California Field Ornithologists. (California Field Ornithologists, 1972)

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 field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1920)

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, 1927)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1931)

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, 1939)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1942)

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, 1967)

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, 1978)

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, 1990)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1991)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2005)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2010)

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

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1918)

Caroli Linnaei Methodus avium Sveticarum - Linné, Carl von, 1707 -1778 (Almquist & Wiksells, 1907)

Carolus Linnaeus : ein Lebensbild - Royal College of Physicians of Edinburgh. (J.D. Sauerländer, 1873)

Cassell's book of birds - Brehm, Alfred Edmund, 1829 -1884 (Cassell, Petter and Galpin, 1875)

Cassell's book of birds : from the text of Dr. Brehm - Brehm, Alfred Edmund, 1829 -1884 (Cassell, Petter, and Galpin, 1869)

Cassell's dictionary of practical gardening; an illustrated encyclopædia of practical horticulture for all classes - Wright, Walter P. (Walter Page), 1864 -1940 (Cassell and company, limited, 1902)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1905)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1916)

Catálogo de las aves del Archipiélago Canario - Cabrera y Diaz, Anatael. (Estab. Tip. de Fortanet, 1893)