AN ACT To provide for the administration and maintenance of the Natchez Trace Parkway, in the States of Mississippi, Alabama, and Tennessee, by the Secretary of the Interior, and for other purposes. 52 Stat.407, enacted 18 May 1938.
Scott, David (2004). Guide to the National Park Areas Eastern States. Guilford, Conn: Globe Pequot Press. pp. 151–153. ISBN0-7627-2988-0. OCLC55075855.