Published in Bull. Brit. Orn. CI., in 1975, in volume 95, pages 41-45

Created: 2014-03-28, modified: 2014-03-28

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 51-54

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

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 59-62

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

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 98-101

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

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 101-104

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

Published in Bulletin Br Orn Club, in 1975, in volume 95, pages 175

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

Published in Bulletin of the British Ornithologists' Club, in 1975, in volume 95, issue 1, pages 18-19

Created: 2014-10-14, modified: 2014-10-14