""A Letter to William E. Channing: On the Subject of Religious Liberty"" is a book written by Moses Stuart in 1830. The book is a letter addressed to William E. Channing, an American Unitarian preacher, on the topic of religious freedom. Stuart argues that religious liberty is not only a fundamental right but also a necessary component of a flourishing society. He discusses the history of religious persecution and intolerance, as well as the importance...