- Maryland Real Estate: Practice & Law, 10th Edition
- Guide to the Etruscan and Roman Worlds at the University of Pennsylvania Museum of Archaeology and Anthropology
- The Dowser
- The Extramural Sanctuary of Demeter and Persephone at Cyrene, Libya, Final Reports, Volume VIII: The Sanctuary's Imperial Architectural Development, Conflict with Christianity, and Final Days
- Cyrene I: Background and Introduction to the Excavations