Columbia subject headings:
Harvard subject headings:
Frankfurt am Main (Germany)--History, Military--19th century.
Frankfurt am Main (Germany)--History, Military--20th century.
Frankfurt am Main (Germany)--History--19th century.
Frankfurt am Main (Germany)--History--20th century.
Garrisons--Germany--Frankfurt am Main--History.
Prussia (Germany). Armee--History.
Princeton subject headings:
Frankfurt am Main (Germany)--History, Military--19th century.
Frankfurt am Main (Germany)--History, Military--20th century.
Frankfurt am Main (Germany)--History--19th century.
Frankfurt am Main (Germany)--History--20th century.
Garrisons--Germany--Frankfurt am Main--History.
Prussia (Germany). Armee--History.