To Forgive is Human: How to put your past in the Past. McCullough, M.E., Sandage, S.J., & Worthington, E. L., Jr. (1997). Downers Grove, IL: InterVarsity Press

Dimensions of Forgiveness. Worthington, E.L., Jr. (1998) Radnor, PA, Temple Foundation Press

Guilt-Free Living. Jeffress, Robert. (1995). Wheaton, IL, Tyndale House

Real Solutions For Forgiving The Unforgivable: Stoop, D. (2001) Servants Publications.

To Forgive is Human: How to Put Your Past in the Past: McCullough, M. E. Sandage, S.J., and Worthington, Jr. E. L. (1997). InterVarsity.