Letis' classic book The Ecclesiastical Text demonstrates the shift in the understanding of Scriptural authority from the Reformation to the development of Warfi

This unique work takes a method of textual analysis commonly used in studies of ancient Western and Eastern manuscripts and applies it to twenty-one early Qur'a

This long-awaited volume provides an answer key to the drills and exercises contained in each of the units of John F. Collins's bestselling A Primer of Ecclesia