Columbia subject headings:
Harvard subject headings:
Abbasids--History--Sources.
Ambassadors--China--Travel--Iraq--Baghdad.
Arab countries--Foreign relations--China.
Arab countries--Foreign relations.
China--Court and courtiers--Travel--Iraq--Baghdad.
China--Foreign relations--618-907--Sources.
China--Foreign relations--Arab countries.
China--History--Tang dynasty, 618-907--Sources.
Chinese language--China--Shaanxi Sheng--Transcription--Germany.
Inscriptions, Chinese--China--Shaanxi Sheng--History.
Iraq--History--634-1534--Sources.
Stele (Archaeology)--China--Shaanxi Sheng--History.
Yang, Liangyao, 736-806--Travel--Iraq--Baghdad.
Princeton subject headings:
Abbasids--History--Sources.
Ambassadors--Travel--China--Iraq--Baghdad.
Arab countries--Foreign relations--China.
Arab countries--Foreign relations.
China--Court and courtiers--Travel--Iraq--Baghdad.
China--Foreign relations--618-907--Sources.
China--Foreign relations--Arab countries.
China--History--Tang dynasty, 618-907--Sources.
Chinese language--Transcription--China--Shaanxi Sheng--Germany.
Inscriptions, Chinese--China--Shaanxi Sheng--History.
Iraq--History--634-1534--Sources.
Stele (Archaeology)--China--Shaanxi Sheng--History.
Yang, Liangyao, 736-806--Travel--Iraq--Baghdad.