Contents: Concern for the Truth; The Evangelical Lutheran Church; Catholic Churches; The Reformed Churches; Pentecostalism; Adventism; Russelism; Mormonism; Christian Science, Spiritism, Two-by-Twos, No Creed; Can we be sure that the Lutheran Church has the truth? Questions on the text; Progress of truth and error; Religious bodies in America; Religious groups in America, Doctrines; Bibliography.