1 The first three volumes are reviewed in this Journal at 64 A.J.I.L. 448 (1970) and 65 A.J.I.L. 220 (1972). The work received the annual award of the American Society of International Law at the Society’s 1970 meeting.

2 For example, in his summary of the Papal Bulls dividing Spanish and Portuguese interests in 1493, Professor Verzijl cites an article dated 1916 in lauding H. van der Linden as “the scholar who first unravelled the strands of old tradition to replace it by a new theory on the actual train of events” (p. 17). In fact the problem had been publicized and the old tradition rejected by Nys, perhaps the most eminent historian of international law in his generation, fully twenty years before (E. Nys, La Ligne de Demarcation d’Alexandre VI, 27 Revue de Droit International et de Législation Comparée 474 (1895)).