Typed "Mozart" Travel Permit for Hall Johnson issued by Harry R. Swanson, U.S. Civilian Chief of the Travel Branch. The permit allows Hall Johnson to travel on the US Military Duty Train "Mozart" to or from Vienna from September 28th, 1951 to October 8th, 1951. The document is double sided. The front side has Hall Johnson's information, the back side has a list of rules relating to travel on the "Mozart."