Film and Television Catalogs:
Among other things, AFI "preserves the legacy of America's film heritage through the AFI Archive... and the AFI Catalog of Feature Films, an authoritative record of American films from 1893 to the present."
This website, operated by IMDb, provides reporting data for box office earnings, statistics, and rankings for films in U.S. and international markets.
IMDb describes itself as "the world’s most popular and authoritative source for movie, TV and celebrity content."
"The UCLA Film & Television Archive is the second largest moving image archive in the United States after the Library of Congress, and the world’s largest university-based media archive."
Professional Organizations:
The following video describes how to evaluate sources using five criteria: authority, accuracy, currency, relevance, and objectivity (from off campus you will need to log in using your Pipeline username and password):