Ge xiang xin shu | 革象新書
Zhao Youqin (元) 趙友欽
Ge xiang xin shu 革象新書 Gexiang xinshu Zhao Youqin (元) 趙友欽 [撰] - ju Gu-gong-bo-wu-guan suo cang Wen-yuan-ge ben ying yin 據故宮博物院所藏文淵閣本景印 - 3 ts'e, 5 chüan - 四庫全書珍本 089 .
Science -- Astronomy -- Astrology -- Yuan
Ge xiang xin shu 革象新書 Gexiang xinshu Zhao Youqin (元) 趙友欽 [撰] - ju Gu-gong-bo-wu-guan suo cang Wen-yuan-ge ben ying yin 據故宮博物院所藏文淵閣本景印 - 3 ts'e, 5 chüan - 四庫全書珍本 089 .
Science -- Astronomy -- Astrology -- Yuan