Cathedral Libraries Catalogue: Names of Printing T
English forms for the Latin names of printing towns as found in early printed books. There are also some references for early spellings of vernacular forms of names.
Orbis Latinus - List of City Names
A digitization of the original work of Dr. Johann Grässe (1909), reflecting the geographical and political reality of that time (Columbia University).
RBMS/BSC Latin Place Names File
Locations from the imprints of books before 1801 and their vernacular equivalents (Brigham Young University).