1895 Films a Tom Jennings production for National Geographic Channel International and PBS ; director, Tom Jennings ; producer & editor, David Tillman ; producer, Liza Maddrey
written, produced and directed by Neil Docherty ; senior producer, Julian Sher ; a Frontline production with the Canadian Broadcasting Corporation ; WGBH
a Florentine Films production ; a film by Ken Burns ; written by Geoffrey C. Ward ; produced by Paul Barnes, Pam Tubridy Baucom, Ken Burns ; produced in association with WETA Washington, DC ; executive producer, Ken Burns