a production of the National Museum of American Art, Smithsonian Institution in association with ZGS Communications, Inc. ; executive producers, Andrew Conners ... [and others] ; producer, Shellee Haynesworth ; director, Elizabeth Brown
World Art Films, Inc. ; executive producer, Joseph Elder ; written and directed by Ron Hess, Raymond Lee Owens, Cheryl Groff ; produced by Raymond Lee Owens ; associate producer Naomi Owens
Encyclopaedia Britannica Educational Corporation ; a production for the Open University ; BBC ; in association with Penn State, Division of Media and Learning Resources ; produced by Rissa De La Paz