Books By John M. Weeks, Frauke Sachse, Christian M. Prager - Author

Dr. phil. Christian M. Prager earned his doctoral degree at the University of Bonn where he is assistant lecturer and holds a research position.
Frauke Sachse received her docotorate in Linguisitcs from Leiden University and is assistant professor at the University of Bonn.
John M. Weeks is the museum librarian and a consulting scholar at the University of Pennsylvania Museum of Archaeology and Anthropology.