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13
Ecology and Management of Cowbirds and Their Hosts
Studies in the Conservation of North American Passerine Bir...
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14
Amending and supplementing the Federal-Aid Road Act approve..
United States congressional serial set ; serial set no. 11824;House report / 84th Congress, 1st session. House ; no. 1336
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15
Thirty-sixth annual report of the National Advisory Committ..
United States congressional serial set ; serial set no. 11554;House document / 82nd Congress, 1st session. House ; no. 48