Published in Bulletin of the British Ornithologists' Club, in 1917, in volume 35, pages 49-51

Created: 2014-10-30, modified: 2014-10-30

Published in Bulletin of The British Ornithologists' Club, in 1917, in volume 37, pages 56

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

Published in Bulletin of the British Ornithologists' Club, in 1917, in volume 38, pages 29-34

Created: 2015-05-13, modified: 2015-05-13

Published in Bulletin of The British Ornithologists' Club, in 1917, in volume 47, pages 145-146

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