The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1894)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1895)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1894)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1986)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1996)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1997)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1998)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1999)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2002)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2003)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2004)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2006)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2007)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2008)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2011)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2012)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2013)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2014)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2015)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2016)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1977)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1978)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1979)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1980)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1981)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1982)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1983)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1984)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1986)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1985)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1987)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1989)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1990)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1991)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1992)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1993)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1994)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1995)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 1998)

Scopus - East Africa Natural History Society. (East Africa Natural History Society's Ornithological Sub-committee, 2003)