Columbia subject headings:
Möring, Richard, 1894-1974--Bibliography.
Möring, Richard, 1894-1974.
Harvard subject headings:
Gan, Peter, 1894-1974--Bibliography.
Gan, Peter, 1894-1974.
Princeton subject headings:
Gan, Peter, 1894-1974--Bibliography.
Gan, Peter, 1894-1974.