Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 2-3

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 3-6

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 6-7

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 11-13

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 18-21

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 25-28

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 28-31

Published in Bulletin of The British Ornithologists' Club, in 1960, in volume 80, pages 59-61

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 67-68

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 75-76

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 76-78

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 80-86

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 86-88

Published in Bulletin of The British Ornithologists' Club, in 1960, in volume 80, pages 98-99

Published in Bull Brit Ornithol Club, in 1960, in volume 80, pages 103-105

Published in Bulletin of The British Ornithologists' Club, in 1960, in volume 80, pages 106

Published in Bulletin of The British Ornithologists' Club, in 1960, in volume 80, pages 113-114

Published in Bulletin of The British Ornithologists' Club, in 1960, in volume 80, pages 121-124

Published in Bulletin of The British Ornithologists' Club, in 1960, in volume 80, pages 141-142

Published in Bulletin of The British Ornithologists' Club, in 1960, in volume 80, pages 146-147