This primary source comes from the Collection HST-OFF: Official Files (Truman Administration).
Full Citation: Letter from Tut Yata to President Harry S. Truman; 5/28/1952; Immigration and Nationality Act of 1952 (McCarran-Walter Bill), OF 133; Official Files , 1945 - 1953; Collection HST-OFF: Official Files (Truman Administration); Harry S. Truman Library, Independence, MO. [Online Version, https://www.docsteach.org/documents/document/tut-yata-truman, May 9, 2024]