Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 21-24

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 30-33

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 37-40

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 64-70

Created: 2013-01-29, modified: 2015-06-14

Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 77-79

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 88

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of The British Ornithologists' Club, in 1954, in volume 74, pages 103-104

Created: 2013-01-29, modified: 2013-01-29

Published in Bulletin of the British Ornithologists' Club, in 1954, in volume 74, issue 4, pages 43

Created: 2016-08-26, modified: 2016-08-26