Columbia subject headings:
Harvard subject headings:
Asia, Central--Antiquities--Congresses.
Environmental archaeology--Asia, Central--Congresses.
Silk Road--Antiquities--Congresses.
Silk Road--History--Congresses.
Xuanzang, approximately 596-664
Xuanzang, approximately 596-664--Journeys--Asia, Central--Congresses.
Princeton subject headings:
Environmental archaeology--Asia, Central--Congresses.
Silk Road--Antiquities--Congresses.
Silk Road--History--Congresses.
Xuanzang, approximately 596-664--Travel--Asia, Central--Congresses.