Published in Bulletin of The British Ornithologists' Club, in 1906, in volume 16, pages 61-62

Published in Bulletin of The British Ornithologists' Club, in 1906, in volume 16, pages 87-88

Published in Bulletin of The British Ornithologists' Club, in 1906, in volume 19, pages 24

Published in Bulletin of the British Ornithologists' Club, in 1906, in volume 19, pages 32-33

Published in Bulletin of The British Ornithologists' Club, in 1906, in volume 19, pages 34