1957 · 28 latMetro-Goldwyn-Mayer, Public domain · Wikimedia Commons1959 · 30 latNBC Television, Public domain · Wikimedia Commons1959 · 29 latThe Bureau of Industrial Service for NBC-TV. In the 1950s and 1960s, ad and public relations agencies often distributed publicity materials for networks, program sponsors and studios. The Bureau was a division of ad agency Young & Rubicam, and was widely used by the industry for this purpose., Public domain · Wikimedia Commons
