1. 1
    Nihon kanjigaku shi /
    日本漢字學史 /
    by Okai, Shingo, 1872-
    Published 1935
    Book
  2. 2
    Kanji to Nihonjin /
    漢字と日本人 /
    by Takashima, Toshio, 1937-
    Published 2001
    Book