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Durrant, Stephen W.; Li, Wai-yee; Nylan, Michael; Ess, Hans van (2016). The letter to Ren An and Sima Qian's legacy. Seattle: University of Washington Press. ISBN9780295806389. OCLC946359303.
Knechtges, David R. (2008). ""Key Words," Authorial Intent, and Interpretation: Sima Qian's Letter to Ren An". Chinese Literature: Essays, Articles, Reviews. 30: 75–84. ISSN0161-9705. JSTOR25478424.