edited by Imre Sutton, with the assistance of Theodore S. Jojola [and others] ; contributions by Ralph L. Beals [and others] ; cartography by William R. Scharf, with the assistance of Thomas Wikle
the National Film Board of Canada presents ; a National Film Board of Canada production ; director, Tom Radford ; narration written by Tom Radford ; producers, Jerry D. Krepakevich, Tom Radford
Bullfrog Films presents ; Gage & Gage Productions in association with Miranda Productions ; produced and directed by Beth Gage & George Gage ; writer, Beth Gage