Published in Bulletin of The British Ornithologists' Club, in 1959, in volume 79, pages 41-42

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

Published in Bulletin of The British Ornithologists' Club, in 1959, in volume 79, pages 42-46

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

Published in Bulletin of The British Ornithologists' Club, in 1959, in volume 79, pages 51-52

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

Published in Bulletin of The British Ornithologists' Club, in 1959, in volume 79, pages 124-127

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

Published in Bulletin of The British Ornithologists' Club, in 1959, in volume 79, pages 152

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