Published in Bulletin of the British Ornithologists' Club, in 1943, in volume 63, pages 63

Created: 2015-05-01, modified: 2015-05-01

Published in Bulletin of The British Ornithologists' Club, in 1943, in volume 64, pages 6-7

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

Published in Bulletin of The British Ornithologists' Club, in 1943, in volume 64, pages 18-19

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