Columbia subject headings:
Laks, Szymon, 1901-1983.
Poland--Biography.
Polish people--Foreign countries--Biography.
Harvard subject headings:
Laks, Szymon, 1901-1983
Poland--Biography
Polish people--Foreign countries--Biography
Princeton subject headings:
Laks, Szymon, 1901-1983.
Poland--Biography.
Polish people--Foreign countries--Biography.