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4
Yearbook of Agriculture, 1938
United States congressional serial set ; serial set no. 10192;House document / 75th Congress, 2nd session. House ; no. 398
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5
Annual report of the Board of Regents of the Smithsonian In..
United States congressional serial set ; serial set no. 9466;House document / 71st Congress, 3rd session. House ; no. 539, pt. 1
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13
Grass, the Yearbook of Agriculture 1948
United States congressional serial set ; serial set no. 11174;House document / 80th Congress, 1st session. House ; no. 480
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14
Yearbook of Agriculture, 1943-1947. Science in farming
United States congressional serial set ; serial set no. 11077;House document / 79th Congress, 2nd session. House ; no. 708