PBS ; produced and directed by Riva Freifeld ; written by Ken Chowder ; co-produced by Amy Brown ; a Riva Productions film for American Experience ; WGBH Boston
a film by Dagmar Schultz; script, Dagmar Schultz in cooperation with Ika Hügel-Marshall, Ria Cheatom, and Aletta von Vietinghoff ; produced by Dagmar Schultz
National Film Board of Canada Production ; directed and written by Donna Read ; producers, Mary Armstrong, Signe Johansson, Heather A. Marshall, Donna Read, Silva Basmajian, Margaret Pettigrew