Courtesy literature can be traced back to 13th century German and Italian writers. courtesy literature, Encyclopædia Britannica Online, 2008 [2021-09-16], (原始内容存档于2015-05-16).
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Rebhorn, Wayne. Baldesar Castiglione, Thomas Wilson, and the Courtly Body of Renaissance Rhetoric. Rhetorica. 1992, 11 (3): 241–274. doi:10.1525/rh.1993.11.3.241.
Courtesy literature can be traced back to 13th century German and Italian writers. courtesy literature, Encyclopædia Britannica Online, 2008 [2021-09-16], (原始内容存档于2015-05-16).