Oleomargarine: Hearing Before a Special Subcommittee of the Committee on Agriculture, House of Representatives, Seventy-fourth Congress, First Session, on H.R. 5586, Prohibiting the Shipment in Interstate Commerce of Adulterated Oleomargarine, H.R. 5587, for the Taxation of Oleomargarine Containing Any Foreign-grown Or Foreign-produced Fat Or Oil Ingredient. May 14, 15, 16, 28 ; June 24 and 25 ; July 12, 1935