Roberts, John G. "Mitsui: Three Centuries of Japanese Business" New York: Weatherhill, 1973., 1973

Roberts, John G. "Mitsui: Three Centuries of Japanese Business" New York: Weatherhill, 1973., 1973, Box: 35, Folder: 9. Barnette Collection, Lawyer, Businessman, Educator, Philanthropist, and Chairman Emeritus of Bethlehem Steel Corporation, A&M 3974. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/63559 Accessed April 11, 2026.