Columbia subject headings:
Harvard subject headings:
Books and reading--Mongolia--History.
China--History--Song-Yuan dynasties, 960-1368.
Printing--China--History
Printing--Mongolia--History.
Publishers and publishing--Mongolia--History.
Princeton subject headings:
Books and reading--Mongolia--History.
China--History--Song-Yuan dynasties, 960-1368.
Printing--China--History.
Printing--Mongolia--History.
Publishers and publishing--Mongolia--History.