Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 10-11
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 14-16
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 22-23
Created: 2013-01-29, modified: 2014-10-28
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 38-42
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 70-72
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 89-92
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 96
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 115-119
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 119-120
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 132
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 136-139
Created: 2013-01-29, modified: 2013-01-29
Published in Bulletin of The British Ornithologists' Club, in 1956, in volume 76, pages 160
Created: 2013-01-29, modified: 2013-01-29