- Barkai, Avraham. Branching Out: German Jewish Immigration to the United States. . New York: Holmes & Meier, 1994.
- Cohen, Naomi. Encounter with Emancipation: The German Jews in the United States, 1830-1914. . Philadelphia, PA: Jewish Publication Society, 1984.
- Beck Archives of Rocky Mountain Jewish HistorySpecial Collections, Penrose Library and CJS, University of Denver