Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 77-79
Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 64-70
Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 30-33
Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 103-104
Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 21-24
Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 37-40
Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 88
Published in Bulletin of the British Ornithologists' Club, in 1954, in volume 74, issue 4, pages 43