Published in Bulletin of The British Ornithologists' Club, in 1937, in volume 57, pages 64-65

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

Published in Bulletin of The British Ornithologists' Club, in 1937, in volume 57, pages 66-67

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

Published in Bulletin of The British Ornithologists' Club, in 1937, in volume 57, pages 142-143

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

Published in Bulletin of The British Ornithologists' Club, in 1937, in volume 57, pages 148-150

Created: 2012-09-16, modified: 2016-09-11

Published in Bulletin of the British Ornithologists' Club, in 1937, in volume 57, pages 151-154

Created: 2014-10-28, modified: 2014-10-28

Published in Bulletin of The British Ornithologists' Club, in 1937, in volume 57, pages 154-157

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