Advancement of Agriculture: Hearing Before the Committee on Agriculture, House of Representatives, Seventy-fourth Congress, First Session on H.R. 6123 to Provide for the Further Development of Cooperative Agricultural Extension Work and the More Complete Endowment and Support of Land-grant Colleges, H.R. 6981, to Provide for Research Into Basic Laws and Principles Relating to Agriculture (Superseded by H.R. 7160), Mar. 29, 1935
United States. Congress. House. Committee on Agriculture
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