“…But the intermittent period can be considered as rather limited after all. PHOTO COPYRIGHTS Archiv Dr. Busso Peus Nachfolger, Frankfurt / W. Müseler: 1,2,3,5,6,7,8,9,10,12,15,17,20,23,27,28,33,34,36,40,42,44,45. Bibliothéque Nationale de France: 4,11,14,21,25,39,41,24,29,30,31,32. The Trustees of the British Museum: 13, 16, 26.…”