2025-07-142025-07-14https://ra.lib.hksyu.edu.hk/metrics/network_graph.php?uuid=b3b26489-0aa3-4d38-ab07-57dc39fb1acdhttp://hdl.handle.net/20.500.11861/23206Traditional Chinese HistoryQin-Han-Wen-Jin DynastiesSui and Tang Dynasties