Croatian art

https://www.croatianhistory.net/etf/art.html

of recent scientific literature on various techniques of Roman vaulting brought about the new hypothesis on the possible origin of constructional details and on the development of
Short History of Croatian Art

Rome and Romania, Roman Emperors, Byzantine Emperors, etc.

https://friesian.com/romania.htm

alone (all of) Greek literature, was not preserved at Rome, but at Constantinople :  the "City of Constantine," ἡ Κωνστα

That's everything I could find.
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