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Survey of food and nutrition research in the United States of America 1952-1953 / prep. by Food and nutrition board, National research council.
- 873
- U.S. Department of Agriculture,
- 1954.
- Washington, DC :
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A manual on conservation of soil and water : handbook for professional agricultural workers
- 873
- U.S. Department of Agriculture,
- 1954.
- Washington, DC :