: The Internet Archive provides digitized versions of all 9 Loeb volumes for in-depth study. Cassius Dio — Epitome of Book 73
: Exist mostly as sparse fragments or summaries (epitomes). Dio Cassius: Roman History
For detailed research or reading, the following resources are highly recommended: : The Internet Archive provides digitized versions of
: Unlike many historians, Dio was a practicing politician. His work often reflects his senatorial biases, particularly his interest in the relationship between the emperor and the Senate. Dio Cassius: Roman History
Dio's work is traditionally divided into 80 books, though only a portion survives in its original form.