Films Media Group ; Films for the Humanities & Sciences ; Cambridge Educational ; Meridian Education ; Shopware ; a production of Public Affairs Television, Inc. ; a presentation of Thirteen/WNET New York
BBC TV production in association with Arts & Entertainment Network, Australian Broadcasting Corporation and Television New Zealand ; producer, Bill Treharne Jones
producers, Gail Ablow ... [and others] ; directors, Ken Diego, Wayne Palmer ; a production of Public Affairs Television, Inc. ; a presentation of Thirteen/WNET New York