Columbia subject headings:
Military art and science--History--18th century.
Military art and science--History--19th century.
Military art and science--History--20th century.
Military history, Modern--18th century.
Military history, Modern--19th century.
Military history, Modern--20th century.
Harvard subject headings:
Military art and science--History--18th century.
Military art and science--History--19th century
Military art and science--History--20th century
Military history, Modern--18th century
Military history, Modern--19th century
Military history, Modern--20th century
Princeton subject headings:
Military art and science--History--18th century.
Military art and science--History--19th century.
Military art and science--History--20th century.
Military history, Modern--18th century.
Military history, Modern--19th century.
Military history, Modern--20th century.