A legal handbook on law in times of peace and war by the Dutch humanist Hugo Grotius. Title page in two colors. With a portrait of the author, engraved by the allegorical title of J. A. Corvin according to A. Drentwell. Text framed by a line, woodcut decoration. German edition of the famous "De jure bellis a pacis" from 1625 by a Dutch lawyer, philosopher and poet (1583-1645), a critique of Roman law. Period leather binding with gilded spine and 2 labels, 3 parts in 1 volume.