Unger, Merrill Frederick, 1909-. What demons can do to saints / Merrill F. Unger. - Chicago : Moody Press, c1991. - 222 p. ; 22 cm. ISBN: 0802494188 : KES 990 Subjects--Topical Terms: Occultism--Religious aspects--Christianity.Demonology. LC Class. No.: BT981 / .U54 1991