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Birds of Tamazunchale, San Luis Potosi
George Miksch Sutton and Thomas D. Burleigh

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Ornithological News
Wilson Bulletin

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Distribution and Characters of the Utah Red-wing
William H. Behle

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Nesting Pigeon Hawks
John Craighead and Frank Craighead

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The Breeding Warblers of the Central Allegheny Mountain Region
Maurice Brooks

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The Sex Ratio in Nestling Eastern Red-wings
J. Fred Williams

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Editorial
Wilson Bulletin

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Obituary
Wilson Bulletin

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Ornithological Literature
Wilson Bulletin

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Index to Volume 52, 1940
Wilson Bulletin

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Back Matter (PDF)
Wilson Bulletin

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Front Matter (PDF)
Wilson Bulletin

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Egg Weights of Some Arctic Nesting Birds
Ralph S. Palmer

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Black Vulture and Red Fox Found in Unusual Association
Frederick S. Barkalow Jr.

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Snow-killed Bobwhite Covey
Robert Mccabe and Aldo Leopold

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Red Phalarope and Other Water Birds at Lexington, Virginia
J. J. Murray

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Community Bathing of the Cedar Waxwing
Arthur E. Staebler and Leslie D. Case