The new crown English-Japanese dictionary
Sanseido, [date of publication not identified]
 Buku Referensi
Kenkyusha's new dictionary of the Japanese language
Tokyo : Kenkyusha, [date of publication not identified]
 Buku Referensi
Kenkyusha`s new Japanese-English dictionary
edited by Takenobu Yoshitaro
Harvard University Press, 1942
 Buku Referensi
Yosnitaro, Takenobu
Kenkyusha's New Japanese English dictionary
Harvard University Press, 1942
 Buku Referensi
Takahashi, M.
Romanized English-Japanese dictionary
Taiseido Shobo, [date of publication not identified]
 Buku Referensi