sentences:  The result of his study, "" (1947), traces the birth of Nazism from the cinema of the Weimar Republic and helped lay the foundation of modern film criticism.Under the Museum of Modern Art Department of Film, the film collection includes more than 25,000 titles and ranks as one of the world's finest museum archives of international film art.The department owns prints of many familiar feature-length movies, including "Citizen Kane" and "Vertigo", but its holdings also contains many less-traditional pieces, including Andy Warhol's eight-hour "Empire", Fred Halsted's gay pornographic "L.A.