• Map
    Kōga kadō hensenzu / Catalog Record Only Shows Yellow River, its shifting of course as results of engineering and nature's way, from 2278 B.C. to 1938, which is grouped into 9 periods, based on the involvement of the Chinese dynasties. Includes sheet index and index to periods. LC copy numbered and stamped with seal of Tōa Kenkyūjo (Far East Institute).
    • Contributor: Kagawa, Masaharu
    • Date: 1940