Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 2-5

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 5-10

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 10-13

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Published in Bull Brit Ornithol Club, in 1967, in volume 87, pages 17-23

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Published in Bull Brit Ornithol Club, in 1967, in volume 87, pages 23-24

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 33-34

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 34-35

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 35-36

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 38-39

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 40-41

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 41-42

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 45-48

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 49-56

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 60-61

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 61

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 62-63

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 63

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 73

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 78-81

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 81-86

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 86-89

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 89-90

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 92

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 95-96

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 97-100

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 100-101

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 101-102

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 111

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 114-117

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 117-120

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 122-123

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 125-126

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 127-128

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 136-137

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 137-141

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 141-142

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 142-148

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 149-150

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 153-157

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 157-164

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 164-165

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 167-168

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Published in Bulletin of The British Ornithologists' Club, in 1967, in volume 87, pages 168

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Published in Bulletin of the British Ornithologists' Club, in 1967, in volume 87, issue 8, pages 129-135

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