produced and directed by Stanley Nelson ; written by Marcia A. Smith ; a Firelight Media production for American Experience ; WGBH Boston ; WGBH Educational Foundation
a production of Florentine Films and WETA, Washington D.C. in association with BBC ; written by Geoffrey C. Ward ; produced by Ken Burns and Lynn Novick ; directed by Ken Burns
a Florentine Films production ; a film by Ken Burns, Lynn Novick ; written by Geoffrey C. Ward ; produced by Ken Burns, Lynn Novick, Peter Miller ; produced in association with WETA-TV, Washington