Columbia subject headings:
Grotius, Hugo, 1583-1645. De jure belli ac pacis libris tres.
International law.
War (International law)
Harvard subject headings:
Grotius, Hugo, 1583-1645. De jure belli ac pacis libri tres.
International law.
War (International law)
Princeton subject headings:
Grotius, Hugo, 1583-1645. De jure belli ac pacis libri tres.