ɪn tˈuː θˈaʊzənd fˈoːɹ, ðə fˈɪlm wʌz sᵻlˈɛktᵻd fɔːɹ pɹˌɛzɚvˈeɪʃən ɪnðə juːnˈaɪɾᵻd stˈeɪts nˈæʃənəl fˈɪlm ɹˈɛdʒɪstɹi baɪ ðə lˈaɪbɹɛɹi ʌv kˈɑːŋɡɹəs æz bˈiːɪŋ "kˈʌltʃɚɹəli, hɪstˈɔːɹɪkli, ɔːɹ ɛsθˈɛɾɪkli sɪɡnˈɪfɪkənt."
In 2004, the film was selected for preservation in the United States' National Film Registry by the Library of Congress as being "culturally, historically, or aesthetically significant."