ニコポリス・アド・イストルム
Barbarians Within the Gates of Rome: A Study of Roman Military Policy and the Barbarians, ca. 375-425 A.D., Indiana University Press, 1994. ISBN 0-253-31288-4
Curta, Florin (2001). The Making of the Slavs: History and Archaeology of the Lower Danube Region, c. 500–700. Cambridge: Cambridge University Press. https://books.google.com/books?id=rcFGhCVs0sYC
Liebeschuetz, J.H.W.G. The Decline and Fall of the Roman City, Oxford University Press, 2001. ISBN 978-0-19-926109-3
The ancient town of Nicopolis ad Istrum at UNESCO.ORG
Poulter, Andrew. Nicopolis ad Istrum: A Roman, Late Roman and Early Byzantine City (Excavations 1985-1992), Society for the Promotion of Roman Studies, London, 1995. ISBN 0-907764-20-7