Ikkyū Ryōkan - Ikkyū, Sōjun 1394-1481 (Chūō Kōronsha, 1987)
Keywords: Ryōkan / 1758-1831 / Ryōkan Dōjin ikō; Ikkyū / 1394-1481 / Kyōun shū; Kyōun shū (Ikkyū)