Tangut version of the Lotus Sutra in the collection of Princeton University Library facsimile, text and linguistic studies = Purinsuton Daigaku toshokan shozō Seika bun Myōhō Renge Kyō : Shashin-ban oyobi tekisuto no kenkyū - Arakawa, Shintarō 1971- (Soka Gakkai, 2018)