Published in Bulletin of the British Ornithologists' Club, in 1919, in volume 39, pages 81-83

Created: 2012-10-25, modified: 2012-10-25

Published in Bulletin of the British Ornithologists' Club, in 1919, in volume 39, pages 87-89

Created: 2015-05-12, modified: 2015-05-12

Published in Bulletin of the British Ornithologists' Club, in 1919, in volume 39, pages 93-94

Created: 2015-05-12, modified: 2015-05-12

Published in Bulletin of the British Ornithologists' Club, in 1919, in volume 40, pages 19-28

Created: 2015-09-28, modified: 2015-09-28

Published in Bulletin of The British Ornithologists' Club, in 1919, in volume 40, pages 37-42

Created: 2012-07-01, modified: 2012-07-01