UNESCO's Memory of the World Program was created to encourage the preservation of the valuable archival holdings and library collections all over the world and to help ensure wide access to their contents. These U.S. contributions have been registered:
- Universalis cosmographia secundum Ptholomaei traditionem et Americi Vespucii aliorumque Lustrationes (This is the first map to have the name America included. The only known copy is in the Library of Congress.)
- The Wizard of Oz (Victor Fleming 1939), produced by Metro-Goldwyn-Mayer