“How to Organize a Hebrew Sabbath-School.” Publications of the Hebrew Sabbath-School Union of America, no. 3.
Berkowitz, Henry, ““How to Organize a Hebrew Sabbath-School.” Publications of the Hebrew Sabbath-School Union of America, no. 3.”, Judaica Americana II, accessed September 19, 2024, https://judaicadhpenn.org/legacyprojects/s/singerman/item/55339