“Sefer ha-zikaron le-kehilat Ostrov-Mazovyetsk” [Memorial Book of the Community of Ostrow-Mazowiecka], ed. Tel Aviv, 1960, https://www.jewishgen.org/Yizkor/ostrow/ostrow.html
The Memory of Treblinka Foundation
“Sefer ha-zikaron le-kehilat Ostrov-Mazovyetsk” [Memorial Book of the Community of Ostrow-Mazowiecka], ed. Tel Aviv, 1960, https://www.jewishgen.org/Yizkor/ostrow/ostrow.html