411 REFERENCE · Wiktionary
Kāiyuán Tiānbǎo yíshì
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Mandarin
Romanization
開元天寶遺事
411 REFERENCE · Wiktionary
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.