an Entity references as follows:
The Treasures from American Film Archives series of DVDs is produced by the National Film Preservation Foundation (NFPF), a nonprofit organization created by the U.S. Congress in 1997. The NFPF publishes these DVD sets, with accompanying booklets and extensive commentary, to promote public access to the films preserved by the American archival community. To date, six sets of DVDs present 227 films on 17 discs for a total runtime of 3,059 minutes (51 hours). All NFPF-produced sets are region-free and playable around the world. These sets are: