produced by Perpetual Motion Films for the History Channel ; produced & directed by Monte Markham ; written by Lee Fulkerson ; producer, Klaire Markham ; producer/Japan, John Junkerman
produced and directed by Monte Markham ; producer, Rosanne Ehrlich ; written by Timothy Englert, William Schlueter and Lee Fulkerson ; a Non Fiction Films, Inc. presentation of a Perpetual Motion Films production for the History Channel ; A & E Television Networks
Hilton Cordell Productions for Thirteen/WNET New York in association with SBS Independent ... [and others] ; produced by Chris Hilton ; written and directed by Peter George, Chris Hilton, Ian Walker ; director, Ashley Smith
produced by John Marshall and Sue Marshall-Cabezas ; directed and edited by Adrienne Miesmer and John Marshall ; a co-production of Documentary Educational Resources and Public Broadcasting Associates