Abramson, Edward A. Chaim Potok. Boston: Twayne, 1986.
Field, Leslie. “Chaim Potok and the Critics: Sampler From a Consistent Spectrum.” In Studies in American Jewish Literature. Vol. 4. Albany: State University of New York Press, 1985.
Kremer, S. Lillian. “Chaim Potok.” In Dictionary of Literary Biography. Vol. 152. Detroit: Gale Research Inc., 1995.
Ross, Jean W. “Chaim Potok.” In Contemporary Authors (New Revision Series). Vol. 19. Detroit: Gale Research Inc., 1987.
Sternlicht, Sanford V. Chaim Potok: a Critical Companion. Westport, Connecticut: Greenwood Press, 2000.
Walden, Daniel, Ed. Conversations with Chaim Potok. Jackson: University Press of Mississippi, 2001.
Werblowsky, Dr. R. J. Zwi and Dr. Geoffrey Wigoder, Eds. The Encyclopedia of the Jewish Religion. New York: Holt, Rinehart and Winston, 1965.
Since The Chosen is a Jewish based book, research anything that unfamiliar to you because some things do play key parts in the book. There were very good web resources to find out whats what. Overall this is a good book, just don't be afraid to look up things you don't understand.
Take a Study Break!