 In 1992, "Letter from an Unknown Woman" was selected for preservation in the United States National Film Registry by the Library of Congress as being "culturally, historically, or aesthetically significant".In 1957, a Spanish-language adaptation made in Mexico, Feliz Año, Amor Mío, starring Marga López and Arturo de Córdova, was released.In 1962, an Arabic-language adaptation was made in Egypt, Risala min Imra'atin Maghula, by director Salah Abu Seif and starring Farid al-Atrash and Lubna Abdel Aziz.