The new crown English-Japanese dictionary
Sanseido, [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
Kenkyusha's new dictionary of the Japanese language
Tokyo : Kenkyusha, [date of publication not identified]
 Buku Referensi
Takahashi, M.
Romanized English-Japanese dictionary
Taiseido Shobo, [date of publication not identified]
 Buku Referensi