Columbia subject headings:
Portrait painting, Polish--20th century.
Witkiewicz, Stanisław Ignacy, 1885-1939.
Harvard subject headings:
Portrait painting--20th century--Poland.
Witkiewicz, Stanisław Ignacy, 1885-1939
Princeton subject headings:
Portrait painting--20th century--Poland.
Witkiewicz, Stanisław Ignacy, 1885-1939.