A Short History of Ireland
Medieval Ireland
Regnum Albaniae Etleva Lala
Regnum Albaniae
Luther and the German Reformation Key source: Earle E. Cairns, Christianity Through the Centuries. Grand Rapids: Zondervan, 1996.
Redating the East-West Schism - An Examination of the Impact of the Sack of Constantinople in 1204
Luther and the German Reformation