Columbia subject headings:
Harvard subject headings:
Chen, Hansheng, 1897-2004
Song, Qingling, 1893-1981. Correspondence. Selections.
Princeton subject headings:
Chen, Hansheng, 1897---Correspondence.
Presidents' spouses--China--Correspondence.
Song, Qingling, 1893-1981--Correspondence.
Statesmen--China--Correspondence.