Columbia subject headings:
Asia--Languages--History--Congresses.
Historical linguistics--Asia--Congresses.
Silk Road--Congresses.
Uighur language--History--Congresses.
Harvard subject headings:
Ethnic groups--Silk Road--Congresses.
Silk Road--History--Congresses.
Silk Road--Languages--Congresses.
Princeton subject headings:
Asia--Languages--History--Congresses.
Historical linguistics--Asia--Congresses.
Silk Road--Congresses.
Uighur language--History--Congresses.