Columbia subject headings:
Harvard subject headings:
Bayerisches Armeemuseum--Catalogs.
Iron Cross--History--19th century--Catalogs.
Iron Cross--History--19th century.
Iron Cross--History--20th century--Catalogs.
Iron Cross--History--20th century.
Military decorations--Germany--History--19th century--Catalogs.
Military decorations--Germany--History--19th century.
Military decorations--Germany--History--20th century--Catalogs.
Military decorations--Germany--History--20th century.
Princeton subject headings:
Iron Cross--History.
Military decorations--Germany--History.
Prussia (Germany)--History, Military.
Prussia (Kingdom). Armee--History.