Published in Bulletin of The British Ornithologists' Club, in 1903, in volume 13, pages 71-72

Published in Bulletin of the British Ornithologists' Club, in 1903, in volume 14, pages 6-9

Published in Bulletin of The British Ornithologists' Club, in 1903, in volume 14, pages 14-15

Published in Bulletin of the British Ornithologists' Club, in 1903, in volume 14, pages 6