All the animated Disney movies from Walt Disney Animated Studios, and also DisneyToon Studios, Pixar Animation Studios, Image Movers Digital, and their stop motion movies. Films NOT included are the films only distributed by Disney. See this website for references. http://disney.wikia.com/wiki/ListofDisneytheatricalanimated_features
/u/StopReadinMyUsername on reddit combined the average ratings (Critic's & Users) from IMDb, Rotten Tomatoes, Metacritic and Letterboxd, and then weighted and tweaked the results with general film data from iCheckMovies and IMDb to reveal the 1001 Greatest Movies of All Time.