["RELIGION \/ Christianity \/ History","Catechetics;History;Early church, ca. 30-600.","Catechumens;History.","Catechumens;Religious life.","Catechetics;History;Early church, ca. 30-600.","Catechumens;History.","Catechumens;Religious life.","EARLY CHURCH (TO 476)","GENERAL","History","Non-Fiction","RELIGION \/ Christianity \/ History","Religion\/Ethics","SACRAMENTAL THEOLOGY","Scholarly\/Undergraduate","United States"]