The database contains a total of more than 200 unpublished diaries, pocket notebooks (techō), and notebooks kept by leading postwar economist and economy ministry official Ōkita Saburō (1914–1993). The documents include Ōkita’s careful records of his notes of meetings he attended in Japan and overseas in the official capacity of his various posts, the details of his schedule on work-related trips overseas, and notes of meetings with important figures from various countries.Using the Service