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Incoming Resources
- Superman III, Warner Brothers Pictures ; Alexander Salkind presents ; screenplay by David and Leslie Newman ; produced by Pierre Spengler ; directed by Richard Lester
- Superman, the movie, Warner Bros. Pictures ; Alexander Salkind presents an Alexander and Ilya Salkind production in a Richard Donner film ; produced by Pierre Spengler ; story by Mario Puzo ; screenplay by Mario Puzo, David Newman, Leslie Newman and Robert Benton ; directed by Richard Donner
- Superman II, Warner Brothers Pictures ; Alexander Salkind presents ; screenplay by Mario Puzo, David Newman and Leslie Newman ; produced by Pierre Spengler ; directed by Richard Lester
- Superman, the movie, produced by Pierre Spengler ; screenplay by Mario Puzo, David Newman, Leslie Newman and Robert Benton ; directed by Richard Donner
- Superman II, Warner Bros. Pictures ; story by Mario Puzo, David Newman and Leslie Newman ; produced by Pierre Spengler ; directed by Richard Lester ; an Alexander and Ilya Salkind production