v. 1. Ancient Japan / edited by Delmer M. Brown
v. 2. Heian Japan / edited by Donald H. Shively and William McCullough
v. 3. Medieval Japan / edited by Kozo Yamamura
v. 4. Early modern Japan / edited by John Whitney Hall
v. 5. The nineteenth century / edited by Marius B. Jansen
v. 6. The twentieth century / edited by Peter Duus.
Japan Encyclopedia by Louis Frederic; Kathe Roth (Translator)