Columbia subject headings:
Harvard subject headings:
Military engineering--Germany--Prussia--History.
Prussia (Germany). Armee. Ingenieurkorps--History.
Prussia (Germany). Armee. Pionier-Corps--History.
Prussia (Kingdom) Armee. Pionier-Corps--History.
Prussia (Kingdom). Armee. Ingenieurkorps--History.
Princeton subject headings:
Prussia (Kingdom). Armee. Ingenieurkorps--History.
Prussia (Kingdom). Armee. Pioniere--History.