Scope and Contents H. R. 2640: "To validate titles to certain lands conveyed by Indians of the Five Civilized Tribes and to amend the Act entitled 'An Act relative to restrictions applicable to the Five Civilized Tribes of Oklahoma,' approved January 27, 1933, and to validate State court judgments in Oklahoma and judgement of the United States District Courts of Oklahoma" (WGS). Seventy-ninth Congress; First Session (1945). Committee on Indian Affairs.