-
By: Thom, Charles, - United States. Bureau of Chemistry and Soils. - National Broadcasting Company.Edition:Publication info: [United States], [Department of Agriculture], January 19, 1931Volume: 1931Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
-
By: Salisbury, Morse, - Knight, Henry Granger, - United States. Bureau of Chemistry and Soils. - National Broadcasting Company.Edition:Publication info: [United States], [Department of Agriculture], August 31, 1932Volume: 1932Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
-
By: Knight, Henry Granger, - United States. Bureau of Chemistry and Soils. - National Broadcasting Company.Edition:Publication info: [United States], [Department of Agriculture], January 6, 1933Volume: 1933Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
-
By: Van Dersal, William Richard, - Mulford, Furman Lloyd, - Thornthwaite, C. W. (Charles Warren), - United States. Bureau of Chemistry and Soils.Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1938Volume: no.303Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: