British birds (2004)

British birds (2005)

British birds (2006)

British birds (2007)

British birds (2008)

British birds (2009)

British birds (2010)

British birds (2011)

British birds (2012)

British birds (2013)

British birds (2014)

British birds (2015)

British birds (2016)

British birds (1994)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 1997)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 2003)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1971)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1973)

Bulletin - Pacific Seabird Group. (The Group, 1986)

Bulletin - Pacific Seabird Group. (The Group, 1987)

Bulletin - Pacific Seabird Group. (The Group, 1988)

Bulletin - United States National Museum (G.P.O, 1917)

Bulletin - United States National Museum (G.P.O, 1922)

Bulletin - United States National Museum (G.P.O, 1931)

Bulletin - United States National Museum (G.P.O, 1963)

Bulletin - Essex County Ornithological Club of Massachusetts. (1937)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1948)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1963)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1994)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1995)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 1999)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2002)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2004)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2005)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2006)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2009)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2011)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2013)

Bulletin of the African Bird Club - African Bird Club. (African Bird Club, 2016)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1908)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1924)

Bulletin of the British Museum (Natural History). Zoology. Supplement - British Museum (Natural History) (BM(NH), 1973)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1973)

Bulletin of the British Museum (Natural History) Geology - British Museum (Natural History) (BM(NH), 1972)

Bulletin of the British Museum (Natural History) Historical Series - British Museum (Natural History) (BM(NH), 1959)

Bulletin of the British Museum (Natural History) Historical Series - British Museum (Natural History) (BM(NH), 1980)

Bulletin of the British Museum (Natural History) Historical Series - British Museum (Natural History) (BM(NH), 1986)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1957)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1988)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1892)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1905)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1907)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1911)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1914)

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, 1927)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1935)

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, 1937)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1966)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1967)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1968)

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, 1971)

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, 1975)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1976)

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, 1979)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1980)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1981)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1984)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1987)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1989)

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, 1993)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1995)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1997)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1998)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 1999)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2000)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2001)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2002)

Bulletin of the British Ornithologists' Club - British Ornithologists' Club. (British Ornithologists' Club, 2003)

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, 2007)