Sproul, R. C. 1939- The mystery of the Holy Spirit / R.C. Sproul. - Wheaton, Ill. : Tyndale House Publishers, c1990. - 191 p. ; 22 cm. Includes bibliographical references. ISBN: 0842346171 LCCN: 89051634 Subjects--Topical Terms: Holy Spirit. LC Class. No.: BT121.2 / .S67 1990