[Overdue] The Library of the Peace Palace has one of the world's largest collections in the field of international law, public and private law, and foreign national law, as well as an extensive collection on international political and diplomatic history and the history of peace movements. Also, we house the Grotius Collection, the collection on the important 17th century Dutchman Hugo de Groot, founder of the science of international law.ng children and youngsters that have been affected by war to attain a peaceful future. With a creat...