880-01 Nekka-shō hokubu no senshi jidai iseki oyobi ibutsu = Contribution to the prehistoric archaeology of norhtern Jehol / Yawata Ichirō. Chōsen Dōkanchin hakkutsu kyū sekki jidai no ibutsu = Human artifacts excavated at Dōkancin, Korea / Noara Nobuo.
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