Corresp., reports, newsletters related to bracero program & Public Law 78; see ref. to Orange County Vegetable Growers, Inc.; Information Letters # 18 & # 19 of the National Advisory Committee on Farm Labor; Farm Labor Users Assoc. critique of 189 day limitation; testimony of Agricultural Producers Labor Committee to U.S. Senate Sub-Committee on Migratory Labor; statements of Tomato Grower’s Assoc., Inc.; Dr. Ben Yellen’s Newsletter, “How Lettuce Growers Get Charity Handouts;” copy of Dept. of Labor hearings on the “adverse effect” provisions in Public Law 78.