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Ecology and Management of Cowbirds and Their Hosts
Studies in the Conservation of North American Passerine Bir...
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Bulletins of the United States Geological Survey. Vol. VIII
United States congressional serial set ; serial set no. 2664-2;Mis. doc. / 50th Congress, 2nd session. House ; no. 138
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Keeping livestock healthy. Yearbook of Agriculture, 1942
United States congressional serial set ; serial set no. 10718;House document / 77th Congress, 2nd session. House ; no. 527
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Yearbook of the United States Department of Agriculture. 19..
United States congressional serial set ; serial set no. 6025;House document / 61st Congress, 3rd session. House ; no. 1222