The Joint Madaba Plains Project: a preliminary report of the 1989 season, including the regional survey and excavations at El-Dreijat, Tell Jawa, and Tell el-ʻUmeiri (June 19 to August 8,1989) - Younker, Randall W.; Geraty, Lawrence T.; Herr, Larry G.; LaBianca, Øystein Sakala (Andrews University Seminary studies, 1990)