Published in Bulletin of The British Ornithologists' Club, in 1953, in volume 73, pages 11-12
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1953, in volume 73, pages 33
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1953, in volume 73, pages 34-36
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1953, in volume 73, pages 72
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1953, in volume 73, pages 77-79
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1953, in volume 73, pages 79-82
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1953, in volume 73, pages 83-84
Created: 2013-01-29, modified: 2013-01-29