a Florentine Films presentation ; a film by Ken Burns ; produced by Ken Burns and Ric Burns ; written by Geoffrey C. Ward and Ric Burns with Ken Burns ; produced in association with WETA-TV ; a production of Florentine Films
a Florentine Films production ; produced by Ken Burns [and] Camilla Rockwell ; written by Geoffrey C. Ward ; produced in association with WETA-TV, Washington
a film by Ken Burns and Lynn Novick ; a Florentine Films production in association with WETA-TV, Washington ; produced by Ken Burns, Lynn Novick, Peter Miller ; written by Geoffrey C. Ward