1. International control of raw materials Creator: Wallace, Benjamin Bruce, 1882-1947. Collection: Core Historical Literature of Agriculture Publisher: The Brookings institution, Publication Place: Washington, D.C. : Date: 1930 Format: Book
2. Trade and agriculture: a study of inconsistent policies. Creator: Johnson, D. Gale 1916- Collection: Core Historical Literature of Agriculture Publisher: Wiley, Publication Place: New York : Date: 1950 Format: Book