 Klein's most popular photographic works are "Gun 1, New York" (1955), "The Holy family on bike" (Rome, 1956), "Cineposter" (Tokyo, 1961), "Vogue" (fashion models in the streets of New York, Rome and Paris for "Vogue" magazine, 1963), "Love on the Beat" (Serge Gainsbourg album sleeve, 1984), "Club Allegro Fortissimo" (1990) and "Autoportrait" (a book of painted contact prints, 1995).The world of fashion would become the subject for the first feature film Klein directed in 1966, "Who Are You, Polly Maggoo?