Stone, Jacqueline I. (2003). "Nichiren's activist heirs: Soka Gakkai, Rissho Koseikai, Nipponzan Myohoji". Action dharma : new studies in engaged Buddhism. Queen, Christopher S., Prebish, Charles S., Keown, Damien. London: RoutledgeCurzon. pp. 63–94. ISBN0700715932. OCLC50809145.
Green, Paula (2000). "Walking for Peace: Nipponzan Myohoji". Engaged Buddhism in the west. Queen, Christopher S. Boston, MA: Wisdom Publications. pp. 128–156. ISBN9780861718412. OCLC844350971.