Reproduces some 40 items, mostly handwritten reports and some published materials, of the Nanʼyōchō and its offices relating to the pre-1946 Pacific Islands. Contains family registers, police records, records of salaries and pensions of officials and employees, those of hospital employees, records of Korean employees in the sugar refinery farm of Nanʼyō Kōhatsu Kabushiki Kaisha, lists of names of Japanese residents and employees, correspondence, regulations, intelligence reports, and biographical sketches of police officers and others.