International organisation and integration. A collection of the texts of documents relating to the United Nations, its related agencies and regional international organisations. With annotations. Editors in chief : H. F. van Panhuys, L. J. Brinkhorst [and] H. H. Maas. Coordinating editor : M. van Leeuwen Boomkamp. With a foreword by Philip C. Jessup. [Commentary translated and revised by G. M. Wittenberg].