Sabar, S. (2003). Between Poland and Germany: Jewish religious practices in illustrated postcards of the early twentieth century. Polin.

Sabar, Shalom. "Between Poland and Germany: Jewish Religious Practices in Illustrated Postcards of the Early Twentieth Century." Polin 2003.

Sabar, Shalom. "Between Poland and Germany: Jewish Religious Practices in Illustrated Postcards of the Early Twentieth Century." Polin, 2003.