Wikipedia page about this book: https://en.wikipedia.org/wiki/The_History_of_Rome_(Mommsen) https://de.wikipedia.org/wiki/R%C3%B6mische_Geschichte_(Theodor_Mommsen)

Release date is 2002-02-01

"Römische Geschichte — Buch 5" by Theodor Mommsen is a historical work published in 1885. This volume departs from Mommsen's acclaimed narrative of the Roman Republic to explore the provinces of the Roman Empire. Through thirteen standalone chapters, Mommsen examines each province as a distinct subject, offering a geographical and administrative portrait of Rome's vast territorial reach from Caesar to Diocletian. Unlike his earlier dramatic political narratives, this work provides a systematic survey of imperial governance across diverse regions. (This is an automatically generated summary.)

Original publication data not identified