Published in Bulletin of the British Ornithologists' Club, in 1946, in volume 66, issue 465, pages 52-53

Created: 2015-05-03, modified: 2015-05-03

Published in Bulletin of The British Ornithologists' Club, in 1946, in volume 67, pages 6-8

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of The British Ornithologists' Club, in 1946, in volume 67, pages 8-10

Created: 2013-01-29, modified: 2013-01-29