Similar Material w09 6/1 pp. 21-23 Does God Change His Mind? Should You Keep the Weekly Sabbath? The Watchtower Announcing Jehovah’s Kingdom—2010 Polygamy Insight on the Scriptures, Volume 2 Polygamy Aid to Bible Understanding Sabbath Reasoning From the Scriptures Why Was Polygamy Allowed? Awake!—1976 Is It Wrong to Work on the Seventh Day of the Week? Awake!—1975 Must Christians Observe the Sabbath? Awake!—1972 Questions From Readers The Watchtower Announcing Jehovah’s Kingdom—1969 Does God Approve of Polygamy? The Watchtower Announcing Jehovah’s Kingdom—2009 Is Sabbath Observance for Christians? The Watchtower Announcing Jehovah’s Kingdom—1961