- Capps, Charles. The Tongue. A Creative Force. Tulsa, Oklahoma: Harrison House, 1976.
- Chapman, Gary. The Love Languages of God. Chicago, Illinois: Northfield Publishing, 2002.
- Chapman, Gary. The Five Love Languages. Chicago, Illinois: Moody Press, 1992.
- Chapman, Gary and Ross Campbell, M.D. The Love Languages of Children. Chicago, Illinois: Moody Press, 1998.
- Chapman, Gary. The Love Languages of Teenagers. Chicago, Illinois: Northfield Publishing, 2000.
- Dargatz, Jan. 52 Simple Ways to Build Your Child’s Self-Esteem & Confidence. Nashville, Tennessee: Thomas Nelson Publishers, 1991.
- Hagin, Kenneth. Why Tongues? Tulsa, Oklahoma: RHEMA Bible Church, 1975.
- Rainey, Dennis and Barbara. Building Your Mate’s Self-Esteem. Ventura, California: Gospel Light, 1989, 1993.