Published in Bulletin of The British Ornithologists' Club, in 1934, in volume 54, pages 86-87

Created: 2012-09-16, modified: 2012-09-16

Published in Bulletin of The British Ornithologists' Club, in 1934, in volume 54, pages 96-97

Created: 2012-09-16, modified: 2012-09-16

Published in Bulletin of the British Ornithologists' Club, in 1934, in volume 54, pages 148-160

Created: 2014-11-25, modified: 2014-11-25

Published in Bulletin of The British Ornithologists' Club, in 1934, in volume 54, pages 179-180

Created: 2012-09-16, modified: 2012-09-16