Nakae Ushikichi in China: The Mourning of Spirit by Joshua A. FogelBarbara MolonyMN 45:4 (1990) pp. 480–82 → jstor.org/stable/2385384ShareAn Instance of Treason: Ozaki Hotsumi and the Sorge Spy Ring by Chalmers JohnsonWith Perry to Japan: A Memoir by William Heine by Frederic Trautmann