Published in Bulletin of The British Ornithologists' Club, in 1914, in volume 33, pages 89-90

Published in Bulletin of The British Ornithologists' Club, in 1914, in volume 33, pages 92-93

Published in Bulletin of The British Ornithologists' Club, in 1914, in volume 33, pages 141-142

Published in Bulletin of the British Ornithologists' Club, in 1914, in volume 35, pages 17-19