Fisk, H., & Judson, A. (1829). Union questions: Being a compilation from "Questions on the selected scripture lessons," by Albert Judson, and from "A new series of questions." by a superintendent of a Sabbath school in New Jersey. Philadelphia: American Sunday-School Union.

Fisk, Harvey., and Albert Judson. Union Questions: Being a Compilation From "Questions On the Selected Scripture Lessons," By Albert Judson, and From "A New Series of Questions." By a Superintendent of a Sabbath School in New Jersey. Philadelphia: American Sunday-School Union, 1829.

Fisk, Harvey., and Albert Judson. Union Questions: Being a Compilation From "Questions On the Selected Scripture Lessons," By Albert Judson, and From "A New Series of Questions." By a Superintendent of a Sabbath School in New Jersey. Philadelphia: American Sunday-School Union, 1829.