Columbia subject headings:
Harvard subject headings:
Gazeta Olsztyńska.
Journalists--Poland--Olsztyn--Biography.
Olsztyn (Poland)--Civilization.
Pieniężny, Seweryn, 1890-1940.
Princeton subject headings:
Pieniężny, Seweryn, 1890-1940--Biography.
Polish people--Prussia, East (Province)--Biography.
Publishers and publishing--Poland--Biography.