The ceramics
essay 1986 Robertson, Robin A.

Preclassic MayaMiddle America and the Caribbean > Maya Area
Robertson examines the 12,000 sherds that had been collected at Cerros by the end of the 1977 season. Three-quarters of the sherds come from primary habitation debris and 95 percent are Late Preclassic. Robertson discusses in some detail the Ixtabai,...

The Late prehistory of the eastern Sahel
1991 Marks, Anthony E. et al.

Khartoum NeolithicAfrica > Northern Africa
Several authors collaborated to write this preliminary report on the excavations at Shaqadud; an international, interdisciplinary project. Shaqadud is actually several sites in and around a box canyon. S1-A and S1-B are the main sites discussed in th...