Published in Bulletin of the British Ornithologists' Club, in 1901, in volume 11, pages 47
Published in Bulletin of the British Ornithologists' Club, in 1901, in volume 11, pages 57
Published in Bulletin of the British Ornithologists' Club, in 1901, in volume 11, pages 60
Published in Bulletin of the British Ornithologists' Club, in 1901, in volume 11, pages 67
Published in Bull. Br. Ornithol. Club, in 1901, in volume 12, pages 24-25