“Der Bialystoker yisker-bukh”, ed. New York 1982, https://www.jewishgen.org/yizkor/Bialystok1/Bialystok1.html
The Memory of Treblinka Foundation
“Der Bialystoker yisker-bukh”, ed. New York 1982, https://www.jewishgen.org/yizkor/Bialystok1/Bialystok1.html