"The AdViews digital collection provides access to thousands of historic commercials created for clients or acquired by the D'Arcy Masius Benton & Bowles (DMB&B) advertising agency or its predecessor during the 1950s - 1980s" (from Duke University).
"Contains over 100 films created by Texas-born filmmaker Gordon Knox (1906 – 1992) or Mr. Knox’s production company, The Princeton Film Archives. The collection contains short and feature-length documentaries produced between 1937 and 1964 for the United States Armed Forces, state and federal government agencies, non-profit organizations and private sector clients."
"In the pre-TV era, people saw the news every week in their neighborhood movie theaters. ... These newsreels offer a fascinating and unique view of an era when motion pictures defined our culture and were a primary source of visual news reporting" (from Internet Archive).