Similar Material w12 4/15 pp. 13-17 Maintain a Complete Heart Toward Jehovah Serving Jehovah with a Complete Heart The Watchtower Announcing Jehovah’s Kingdom—1971 Determined to Serve Jehovah With a Complete Heart The Watchtower Announcing Jehovah’s Kingdom—1986 The Human Heart Is Treacherous The Watchtower Announcing Jehovah’s Kingdom—1971 Heart Aid to Bible Understanding Acquire a Heart Agreeable to Jehovah The Watchtower Announcing Jehovah’s Kingdom—2001 Consulting the Finest Heart Specialist for Our Times The Watchtower Announcing Jehovah’s Kingdom—1977 Heart Insight on the Scriptures, Volume 1 Safeguard Your Heart The Watchtower Announcing Jehovah’s Kingdom—2001 How Is Your Heart? The Watchtower Announcing Jehovah’s Kingdom—1971 Reaching the Heart of Your Listeners Theocratic Ministry School Guidebook