- Thomas Cozaki
- Thomas Kasaki
Son of Saint Michael Kozaki. Altar boy. Helped his father with his carpentry for the Franciscan missionaries, and then stayed at the convent they had built. His farewell letter to his mother, written from prison, has survived. One of the Martyrs of Nagasaki.
- Book of Saints, by the Monks of Ramsgate
- Catholic Online
- Our Sunday Visitor’s Encyclopedia of Saints
- Santi e Beati
- “Saint Thomas Kozaki“. CatholicSaints.Info. 26 January 2014. Web. 29 July 2015. <>