Columbia subject headings:
Asia, Central--Description and travel.
China--Description and travel.
Mongolia--Description and travel.
Qiu, Changchun, 1148-1227.
Harvard subject headings:
Asia, Central--Description and travel.
China--Description and travel.
Mongolia--Description and travel
Qiu, Changchun, 1148-1227
Princeton subject headings:
Asia, Central--Description and travel--Early works to 1800.
China--Description and travel--Early works to 1800.
Mongolia--Description and travel--Early works to 1800.
Qiu, Changchun, 1148-1227.