Columbia subject headings:
Alexander, the Great, 356 B.C.-323 B.C.--Campaigns.
Military art and science--Greece--History--To 500.
Military art and science--Middle East--History--To 500.
Stream crossing, Military--History.
Harvard subject headings:
Alexander, the Great, 356 B.C.-323 B.C.--Campaigns.
Alexander, the Great, 356 B.C.-323 B.C.--Military leadership.
Military art and science--Greece--History--To 500.
Military art and science--Middle East--History--To 500.
Military bridges--Middle East--History--To 1500.
Stream crossing, Military--History--To 1500.
Stream crossing, Military--History.
Princeton subject headings:
Alexander, the Great, 356 B.C.-323 B.C.--Campaigns.
Military art and science--Greece--History--To 500.
Military art and science--Middle East--History--To 500.
Stream crossing, Military--History.