Japan P.E.N. Club, {s.a}
Majalah, Jurnal, Buletin
by Isoda Koichi ... [and others]
Japan P.E.N. Club, 1984
Buku Teks SO
edited by Yasuo Yoshida
Gakken, 1973
Buku Teks
Korea : The Korean Centre International P.E.N., 2006,
Majalah, Jurnal, Buletin
The Korean Culture and Arts Foundation, 1999
Majalah, Jurnal, Buletin