131. Plant and soil water relationships Creator: Kramer, Paul J. 1904-1995. Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill Book Co., Publication Place: New York : Date: 1949 Format: Book
132. Cooperative extension work Creator: Kelsey, Lincoln David, 1894- Collection: Core Historical Literature of Agriculture Publisher: Comstock Pub. Co., Publication Place: Ithaca, N.Y. : Date: 1949 Format: Book
133. Titans of the soil: great builders of agriculture. Creator: Dies, Edward Jerome, b. 1891. Collection: Core Historical Literature of Agriculture Publisher: University of North Carolina Press, Publication Place: Chapel Hill : Date: 1949 Format: Book
134. International commodity stockpiling as an economic stabilizer Creator: Bennett, Merrill Kelley, 1897-1969. Collection: Core Historical Literature of Agriculture Publisher: Stanford University Press, Publication Place: Stanford : Date: 1949 Format: Book
135. Wartime economic planning in agriculture: a study in the allocation of resources. Creator: Gold, Bela. Collection: Core Historical Literature of Agriculture Publisher: Columbia University Press, Publication Place: New York : Date: 1949 Format: Book
136. Farm work simplification Creator: Vaughan, Lawrence Moore, 1898- Collection: Core Historical Literature of Agriculture Publisher: J. Wiley, Publication Place: New York : Date: 1949 Format: Book