Danuta Gwizdalanka, Historie niezbyt prawdziweArchivado el 27 de marzo de 2019 en Wayback Machine.: In the birth records at the Warsaw Archives of Civil Acts the mother's name is Sura Dwojra Sztern. In Zalmen Zylbercweig's 'Lexicon of the Yiddish Theatre', she is referred to as Sonia Wajnberg (Karl). David Fanning reports, that Soviet documents from 1982 refer to her as Sarah Kotlitskaya.
Danuta Gwizdalanka, Historie niezbyt prawdziweArchivado el 27 de marzo de 2019 en Wayback Machine.: In the birth records at the Warsaw Archives of Civil Acts the mother's name is Sura Dwojra Sztern. In Zalmen Zylbercweig's 'Lexicon of the Yiddish Theatre', she is referred to as Sonia Wajnberg (Karl). David Fanning reports, that Soviet documents from 1982 refer to her as Sarah Kotlitskaya.
