American Documentaries, Inc., Florentine Films and Time-Life Video presents a film by Ken Burns ; producers, Ken Burns, Ric Burns ; writers, Ken Burns, Ric Burns, Geoffrey C. Ward ; director, Ken Burns
a production of KERA Dallas, Fort Worth, Denton ; produced in association with Once TV, Mexico City ; produced by Andrea Boardman, Ginny Martin, Rob Tranchin ; directed by Ginny Martin ; written by Rob Tranchin
Discovery Education ; Discovery Channel School ; produced by Tapestry International Productions, Ltd. for Discovery Channel ; producers/writers, Steve Drake, Joanne Azern