The required texts are available through Course Reserves at the Undergraduate Library:
Huston Smith and Reuben Snake (eds.), One Nation Under God: The Triumph of the Native American Church (Clear Light Publishers, 1996).
J. S. Slotkin, The Peyote Religion: A Study in Indian-White Relations (Free Press, 1956). Also available through the University Library as full-text PDF.
David E. Jones, Sanapia: Comanche Medicine Woman (Holt, Rinehart and Winston, 1972).
Stacy B. Schaefer, Amada’s Blessings from the Peyote Gardens of South Texas (University of New Mexico Press, 2015).
Joseph D. Calabrese, A Different Medicine: Postcolonial Healing in the Native American Church (Oxford University Press, 2013).
These books may also be available for purchase at the Union Bookstore. Do not buy electronic versions of these texts – you will need a printed copy of each book.