Columbia subject headings:
Armies--Finance--History--Congresses.
Armies--History--Congresses.
Military history, Ancient--Congresses.
Harvard subject headings:
Armies--History--Congresses.
Military history, Ancient--Congresses.
Princeton subject headings:
Armies--Finance--History--Congresses.
Armies--History--Congresses.
Military history, Ancient--Congresses.