This primary source comes from the Collection HST-OFF: Official Files (Truman Administration), 1945 - 1953.
Full Citation: Letter from Jesus Clemente to President Harry S. Truman, with Attached Referral Note; 6/15/1950 - 6/19/1950; Mexican Agricultural Workers, OF 407d; Official Files , 1945 - 1953; Collection HST-OFF: Official Files (Truman Administration), 1945 - 1953; Harry S. Truman Library, Independence, MO. [Online Version, https://www.docsteach.org/documents/document/clemente-truman, April 23, 2024]