Latourette KS (1967) <em>A History of the Expansion of Christianity: Three Centuries of Advance</em>. In Contemporary Evangelical Perspectives, volume 3. Grand Rapids, MI: Zondervan.
Oberman HA (1989) <em>Luther: Man between God and the Devil.</em> New Haven, CT: Yale University Press.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.2307/j.ctt1ww3vzs" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.2307/j.ctt1ww3vzs</a></dgdoi:pub-id>