Home › Authors › James D. Ryan 👤 James D. Ryan 3 books Books by James D. Ryan Workbook of Diagnostics for Ca Workbook of Diagnostics for Cardiac Implantable Devices 2020 Spiritual Expansion of Medieva Spiritual Expansion of Medieval Latin Christendom 2017 The Cīvakacintāmaṇi in histori The Cīvakacintāmaṇi in historical perspective 1988