1. 1
    Monji yūshin /
    文字遊心 /
    by Shirakawa, Shizuka, 1910-
    Published 1990
    Book
  2. 2
    Chang yong zi jie /
    常用字解 /
    by Shirakawa, Shizuka, 1910-2006
    Published 2010
    Book