Brehms Tierleben : allgemeine Kunde des Tierreichs : mit 1800 Abbildungen im Text, 9 Karten und 180 Tafeln in Farbendruck und Holzschnitt - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1891)

Brehms Tierleben. Allgemeine kunde des Tierreichs - Werner, Franz, 1867 -1939 (Bibliographisches Institut, 1913)

British birds (1909)

British birds (1914)

British birds (1913)

British birds (1917)

British birds (1918)

British birds (1942)

British birds (1958)

British birds (1960)

British birds (1968)

British birds (1971)

British birds (1972)

British birds (1973)

British birds (1977)

British birds (1979)

British birds (1989)

British birds (1992)

British birds (1993)

British birds (1994)

British birds (1995)

British birds (1996)

British birds (1997)

British birds (1998)

British birds (1999)

British birds (2000)

British birds (2001)

British birds (2002)

British birds (2003)

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 (2014)

British birds (2015)

British birds (2016)

British Central Africa; an attempt to give some account of a portion of the territories under British influence north of the Zambesi - Johnston, Harry, 1858 -1927 (Methuen & co, 1906)

British Ornithologists' Club occasional publications - British Ornithologists' Club. (British Ornithologists' Club, 1996)

British Ornithologists' Club occasional publications - British Ornithologists' Club. (British Ornithologists' Club, 1999)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1892)

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, 1998)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 2001)

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 2002)

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

Buceros : ENVIS newsletter : avian ecology and inland wetlands - Bombay Natural History Society. (Bombay Natural History Society, 2015)

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 - Société des amis des sciences naturelles de Rouen. (1868)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1977)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1978)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1979)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1958)

Bulletin - East Africa Natural History Society. (East Africa Natural History Society, 1980)