(en) Orion Klautau et Hans Martin Krämer, Buddhism and Modernity: Sources from Nineteenth-Century Japan, University of Hawaii Press, , 130 p. (ISBN978-0-8248-8458-1, lire en ligne)
(en) Akira Goto, Cultural Astronomy of the Japanese Archipelago: Exploring the Japanese Skyscape, Routledge, , 28 p. (ISBN978-1-000-22109-1, lire en ligne)
(en) Vasudha Narayanan, Eastern Religions: Origins, Beliefs, Practices, Holy Texts, Sacred Places, Oxford University Press, , 440–441 p. (ISBN978-0-19-522191-6, lire en ligne)
(en) Edward R. Drott, Buddhism and the Transformation of Old Age in Medieval Japan, University of Hawaii Press, , 8 p. (ISBN978-0-8248-5150-7, lire en ligne)