Acta of the Vth International Congress of Greek and Latin epigraphy, Cambridge 1967

Published 1971

Archaeological News: European Lands : Roman and Medieval Periods

by Petrikovits, Harald von
Published in American Journal of Archaeology (1951)

The Princeton encyclopedia of classical sites

Published 1976

Augusta Vindelicum (Augsburg)

by Ulbert, Günter
Published in The Princeton encyclopedia of classical sites (1976)