Published in Bulletin of The British Ornithologists' Club, in 1927, in volume 47, pages 74-75
Created: 2012-09-16, modified: 2012-09-16
Published in Bulletin of The British Ornithologists' Club, in 1927, in volume 47, pages 149-150
Created: 2012-09-16, modified: 2012-09-16
Published in Bulletin of The British Ornithologists' Club, in 1927, in volume 47, pages 151-170
Created: 2012-09-16, modified: 2012-09-16
Published in Bulletin of The British Ornithologists' Club, in 1927, in volume 48, pages 19-22
Created: 2012-09-16, modified: 2012-09-16
Published in Bulletin of The British Ornithologists' Club, in 1927, in volume 48, pages 22-27
Created: 2012-09-16, modified: 2012-09-16