Seitz, Don C. (October 1927). "The Nagasaki Martyrs". The Catholic Historical Review. 13 (3). Catholic University of America Press: 503–509. JSTOR25012455.
oxfordreference.com
Doak 2022. Doak, Kevin (2022). "Nagasaki Martyrs". In Louth, Andrew (ed.). The Oxford Dictionary of the Christian Church (4 ed.).