- Marciano Guerrero. Contemporary English - Saint Manuel, Martyr. Scotts Valley: CreateSpace Independent Publishing Platform, 2013.
- Mancing, Howard. “The Lessons of San Manuel Bueno, Martir.” MLN, vol. 121, no. 2, Mar. 2006, pp. 343–366. JSTOR, doi:10.1353/mln.2006.0053.
- Robert Richmond Ellis. "Saint Emmanuel The Good, Martyr (San Manuel Bueno, Mártir) By Miguel De Unamuno, 1933." Encyclopedia.com. 1999. 2019. <https://www.encyclopedia.com/arts/encyclopedias-almanacs-transcripts-and-maps/saint-emmanuel-good-martyr-san-manuel-bueno-martir-miguel-de-unamuno-1933>.
San Manuel Bueno, Martyr
