Columbia subject headings:
Prussia, East (Poland and Russia)--Biography--Dictionaries.
Prussia, West (Poland)--Biography--Dictionaries.
Harvard subject headings:
Prussia (Germany)--Biography--Dictionaries.
Prussia, East (Poland and Russia)--Biography--Dictionaries.
Prussia, West (Poland)--Biography--Dictionaries.
Princeton subject headings:
Prussia, East (Poland and Russia)--Biography--Dictionaries.