Burton, P J K
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The Wildfowl Trust Ninth Annual Report - Articles
Brent Geese in Essex - The proportion of first-winter birds in flocks of Brent Geese in Essex
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The Wildfowl Trust Tenth Annual Report - Articles
Brent Geese in Essex, 1957-1958
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The Wildfowl Trust Eleventh Annual Report - Articles
Brent Goose population studies, 1958-59
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The Wildfowl Trust Eleventh Annual Report - Articles
A spring visit to Denmark
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The Wildfowl Trust Twelfth Annual Report - Articles
The Brent Goose and its food supply in Essex
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The Wildfowl Trust Twelfth Annual Report - Articles
Brent Goose age-group counts, 1959-60
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The Wildfowl Trust Thirteenth Annual Report - Articles
Brent Goose population studies, 1960-61
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The Wildfowl Trust Thirteenth Annual Report - Articles
The food-supplies of Essex Brent in the winter of 1960-61
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The Wildfowl Trust Fourteenth Annual Report - Articles
Brent Goose population studies, 1961-62
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The Wildfowl Trust Sixteenth Annual Report - Articles
Brent Geese in western Europe during the winters of 1962-63 and 1963-64
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