Freehof, S. B., Feinstein, A., & Mihaly, E. (1961). Israel Bettan memorial volume. Central Conference of American Rabbis.

Freehof, Solomon B., Abraham Feinstein, and Eugene Mihaly. Israel Bettan Memorial Volume. New York, NY: Central Conference of American Rabbis, 1961.

Freehof, Solomon B., et al. Israel Bettan Memorial Volume. Central Conference of American Rabbis, 1961.