Orbis Latinus
Publication information:
J. G. Th. Graesse. 1909. “Orbis Latinus”
Abstract
Orbis Latinus, originally Orbis latinus' and by Dr. J. G. Th. Grässe, is a Latin-German dictionary of Latin place names. Most recently updated in 1972, it is the most comprehensive modern reference work of Latin toponymy, covering antiquity to modern times.
The link http://www.columbia.edu/acis/ets/Graesse/orblatm.html seems outdated.