Treaties and other international acts series. 6952. International Poplar Commission Convention, as amended, between United States and other governments, done Rome Nov. 19, 1959, as amended Oct. 30, 1967; [acceptance of United States deposited with DirectorGeneral of Pood and Agriculture Organization, Rome, Aug. 13, 1970; entered into force with respect to United States, Aug. 13, 1970.]