directed, written, and produced by Robert Stone ; a Robert Stone film for PBS/American experience in association with BBC ; WGBH Educational Foundation and Robert Stone Productions
a film by Ambrica Productions, Inc. in association with the American Experience ; written and directed by Sue Williams ; WGBH-TV, Boston ; WGBH Educational Foundation
produced by Patricia Asté ; directed by Noland Walker ; written by Margaret Koval, Noland Walker ; produced by Koval Films, LLC, in association with NBPC ; co-production of Koval Films, LLC, the Independent Television Service and Oregon Public Broadcasting
a production of WETA Washington, D.C. and Florentine Films/Hott Productions, Inc. in association with Gallaudet University ; produced by Lawrence Hott and Diane Garey ; written by Ken Chowder