“Sefer Kaluszyn; geheylikt der khorev gevorener kehile”, ed. Tel Aviv 1961, https://www.jewishgen.org/Yizkor/kaluszyn/kaluszyn.html
The Memory of Treblinka Foundation
“Sefer Kaluszyn; geheylikt der khorev gevorener kehile”, ed. Tel Aviv 1961, https://www.jewishgen.org/Yizkor/kaluszyn/kaluszyn.html