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By "Hagan, John M "
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Population Trends of Some Northeastern North American Landbirds: A Half-Century of Data
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By: Hill, Norman P - Hagan, John M - Harrison, Julian R. 3rd
Type: Article
In: The Wilson bulletin
Volume: 103
Series:
Issue: 2
Date: 1991
Page Range: 165--182
Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
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