Wyraźna granica pomiędzy Rzymem, a Słowianami...
There's a great open database project called Imperium Romanum that contains almost all the latin "inscriptiones" of the Empire unearthed till today. You can just zoom and read all of them! http://db.edcs.eu/epigr/imp-rom.html
EDIT: Someone also suggested to check this resource for some provinces:
https://edh-www.adw.uni-heidelberg.de/home
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