Title: Kofun jidai no seisan to ryūtsū
Subjects: Antiquities, Industries, History, Fisheries, Equipment and supplies, Stonemasonry, Metal-work, Iseki ibutsu-Nihon, Gijutsu-Ajia(Tōbu), Nihon-Rekishi-Yamato jidai
Places: Japan
Time periods: To 1500