Columbia subject headings:
Harvard subject headings:
Germans--Europe, Eastern--History--Periodicals.
Germans--Europe, Eastern--History--Sources--Bibliography--Periodicals.
Prussia (Germany)--History--Periodicals.
Prussia (Germany)--History--Sources--Bibliography--Periodicals.
Princeton subject headings:
Germans--Europe, Eastern--History--Periodicals.
Germans--Europe, Eastern--Social life and customs--Periodicals.
Prussia (Germany)--Civilization--Periodicals.
Prussia (Germany)--History--Periodicals.