Columbia subject headings:
Dueling.
Reprisals.
Wager of battle.
War (International law)
War.
Harvard subject headings:
Dueling.
Reprisals.
Wager of battle.
War
War (International law)
War (International law)--Early works to 1800.
Princeton subject headings:
Dueling.
Reprisals.
Wager of battle.
War (International law)