Charles Alexander Eastman, Michael Oren Fitzgerald (2007). “The Essential Charles Eastman (Ohiyesa): Light on the Indian World”, p.14, World Wisdom, Inc
Hosea Ballou (1828). “A Treatise on Atonement: In which the Finite Nature of Sin is Argued, Its Cause and Consequences as Such; the Necessity and Nature of Atonement; And, Its Glorious Consequences, in the Final Reconciliation of All Men to Holiness and Happiness”, p.236