A list of the 100 20th century films as chosen by the film critic Leonard Maltin. This list appears in Maltin's book titled Leonard Maltin's Movie and Video Guide 2000 (Leonard Maltin's Movie Guide).
Source: http://www.filmsite.org/maltin.html
Classic Movies
Welcome to Rotten Tomatoes’ 100 best-reviewed classic movies of all time ranked by Adjusted Tomatometer! We define ‘classic’ as everything released up until the late-1960s, a tumultuous era that signaled a passing of the guard with national cultural revolutions, destruction of the Motion Picture Production Code, and the impending arrival of New Hollywood filmmakers.
Link: https://editorial.rottentomatoes.com/guide/100-best-classic-movies/
Rotten Tomatoes: Top 100 Movies Of All Time
by Naziman Azlye