In 1975, the mono-opera Письмо незнакомки (Letter from an Unknown Woman) was composed by Antonio Spadavecchia (Антонио Спадавеккиа), and staged in the Soviet Union (and later in Russia) in Russian.
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In the 1918 flu pandemic, the child died and she, ill herself, wrote this letter to be posted before her death.
With Joan Fontaine he co-founded Rampart Productions, responsible for Letter from an Unknown Woman (1948).
Wonder Woman | Pretty Woman | Woman's Hour | Kiss of the Spider Woman | Tomb of the Unknown Soldier | The Bionic Woman | The Scarlet Letter | Police Woman (TV series) | Police Woman | Out of the Unknown | No Woman, No Cry | Dr. Quinn, Medicine Woman | Woman's Day | Scent of a Woman (1992 film) | Red-Headed Woman | Dear John letter | Celtic Woman | Wonder Woman (TV series) | Woman | woman | Jesus and the woman taken in adultery | Challengers of the Unknown | Woman's Home Companion | White-letter Hairstreak | The Woman in White | The French Lieutenant's Woman | Scent of a Woman | Oh, Pretty Woman | Letter-winged Kite | Letter of Majesty |
It also appears in The Star of Kazan by Eva Ibbotson, Max Ophüls' Letter from an Unknown Woman and its Generation X counterpart, Richard Linklater's Before Sunrise, and The Glass Room by Simon Mawer.