Columbia subject headings:
Harvard subject headings:
Poland--Biography
Poland--History--20th century--Biography.
Polish people--Ukraine.
Pruszyński, Ksawery, 1907-1950--Family.
Pruszyńska, Anna, 1880-1962--Family.
Pruszyński family.
Pruszyński, Mieczysław--Family.
Soviet Union--History--Revolution, 1917-1921--Biography
Princeton subject headings:
Poland--Biography.
Pruszyńska, Anna, 1880-1962--Family.
Pruszyński family.
Pruszyński, Ksawery, 1907-1950--Family.
Pruszyński, Mieczysław--Family.