Columbia subject headings:
Westermann, H. C. (Horace Clifford), 1922-1981--Catalogues raisonnés.
Westermann, H. C. (Horace Clifford), 1922-1981--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Catalogues raisonnés.
Westermann, H. C. (Horace Clifford), 1922-1981--Catalogues raisonnés.
Westermann, H. C. (Horace Clifford), 1922-1981--Exhibitions.