References

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Chesterton, G. K. Saint Francis of Assisi. Peabody, MA: Hendrickson Publishers, 2008.

Lawrence Cunningham, and Ignatius Charles Brady. “St. Francis of Assisi.” Encyclopaedia Britannica, September 29, 2019. https://www.britannica.com/biography/Saint-Francis-of-Assisi/Franciss-vision-and-the-stigmata-of-the-Crucified.

Os, H. W. van. “St. Francis of Assisi as a Second Christ in Early Italian Painting.” Simiolus: Netherlands Quarterly for the History of Art 7, no. 3 (1974): 115. https://doi.org/10.2307/3780297.

Robson, Michael J. P. St. Francis of Assisi: The Legend and the Life. London: Continuum, 1999.

Sorrell, Roger D. St. Francis of Assisi and Nature Tradition and Innovation in Western Christian Attitudes toward the Environment. New York; Toronto: Oxford University Press, 1988.

Wolf, Kenneth Baxter. The Poverty of Riches: St. Francis of Assisi Reconsidered. New York; Oxford: Oxford University Press, 2005.