1. Katō, Bunga. 1968.Nichiren Shōnin Goibun, 2nd ed., vol. 1, 1189–1249. Tokyo: Heirakuj: Publishing Company.
2. Dollarhide, Kenneth. 1981.Nichirm's Doctrine of the Age of the Last Law According to the Senji-shō, 59–168. McMaster University. For a complete translation of the Senji-shō see: Ph.D. dissertation