“Charlemagne and the First Renewal of the Roman Empire.” The Middle Ages, by Johannes Fried and Peter Lewis, Harvard University Press, Cambridge, Massachusetts; London, England, 2015, pp. 44–81. JSTOR, www.jstor.org/stable/j.ctt1287gwp.6. Accessed 8 May 2021.
Fried, J., & Lewis, P. (2015). Charlemagne and the First Renewal of the Roman Empire. In The Middle Ages (pp. 44-81). Cambridge, Massachusetts; London, England: Harvard University Press. Retrieved May 8, 2021, from http://www.jstor.org/stable/j.ctt1287gwp.6
Fried, Johannes, and Peter Lewis. "Charlemagne and the First Renewal of the Roman Empire." In The Middle Ages, 44-81. Cambridge, Massachusetts; London, England: Harvard University Press, 2015. Accessed May 8, 2021. http://www.jstor.org/stable/j.ctt1287gwp.6.
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