Research keywords (3):
History of Japanese Salt Industry
, Japanese Economic History
, Japanese Business History
Forum for Entrepreneurial Studies
, 帯江鉱山研究会
, JAPAN SOCIETY FOR INTERIOR STUDIES
, 岡山近代史研究会
, Business History Society of Japan
, Socio-Edonomic History Society
, Japan Salt-industry Research Association
, Japan Society of Educational Information
, 方谷研究会