New races of a Courser, Woodpecker, Swift, Lark, Wheatear, and Serin from Africa
Meinertzhagen, R
Article
1949
Bulletin of the British Ornithologists' Club
69
104--108
BioStor
English
London, British Ornithologists' Club, 1893-
BioStor: https://biostor.org/reference/116591
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