Title: Guayule rubber
Subtitle: Hearing before the Committee on Agriculture, House of Representatives, Seventy-seventh Congress, second session on H.R. 6299 to provice for the planting of seventy-five thousand acres of guayule or other rubber-bearing plants in order to make available a domestic source of crude rubber for emergency and defense uses, January 7-13, 1942
Subjects: Rubber, Guayule
Places: United States