A new species of swallow from Kenya
Williams, John G. (John George), 1913-1997
Article
1966
Bulletin of the British Ornithologists' Club
86
40--40
BioStor
London, British Ornithologists' Club, 1893-
BioStor: https://biostor.org/reference/112902