XXe Siecle (Chroniques du Jour) was a deluxe art revue that was the source of many outstanding prints. It was published by Gualtieri di San Lazzaro from 1938-1939, and again from 1951 until 1978 (known as the Nouvelle Serie). Many important artists contributed original prints, including Miro, Picasso, Chagall, Braque, Villon, Matta, Indiana, Rosenquist, Lam, Dali, Zao Wou-ki, Matisse, Delaunay, Ernst, Poliakoff, Soulages, Leger, Moore, Kandinsky, Agam, Arp, Calder, Magnelli, Baj, Marini and Vasarely.