Nihonjin no tamashii no kosōAkio Kaneyama, Nagayuki Ikoma, Takuji Iwano, Shin'ichi Nakazawa · First published 2016Open the Tome
Koten ni miru Nihonjin no sei to shiHara, Michio, Akio Kaneyama, Nagayuki Ikoma · First published 2013Open the Tome
