Loyola University Chicago
De Imperatoribus Romanis: Diocletian
This is a biographical history of Diocletian and the Rome of his time. Includes links to other Roman subjects.
Then Again
Then Again: Web Chron: Mediterranean Basin Chronology: The Battle of Adrianople
Background and description of the battle between the Visigoths and the Romans at Adrianople.
Then Again
Then Again: Web Chron: The Emperor Diocletian
Article provides a description of the life and rule of the Emperor Diocletian.
Forum Romanum
Outlines of Roman History: Reorganization of Empire: Successors of Constantine
William Morey, in his 1901 textbook, tells of the fate of the Roman Empire after the death of Constantine.
Other
Chicago Coin Club: Eight Hundred Years of Roman Coinage
Nearly halfway through this page under the subtitle, "Disintegration of the Monetary System" is a discussion of the monetary collapse and the efforts of subsequent emperors to restore the coinage.
Other
Willamette Coin Club: The Times and Coinage of Diocletian: 284 305 a.d.
A description of the massive job facing Diocletian when he assumed the leadership of the Roman Empire, and how he developed the tetrarchy. There is also information about Roman coinage.
University of Calgary
University of Calgary: Germanic Invasions of Europe
This resource provides a description of the relationship between Germania and the Roman Empire from the days of the Early Republic, and how these relationships changed as Germanic tribes began to exert pressure and eventually invaded the...