: Exist mostly as sparse fragments or summaries (epitomes).
For detailed research or reading, the following resources are highly recommended: Dio Cassius: Roman History
: Essential modern analysis can be found in Fergus Millar’s A Study of Cassius Dio or via academic archives like JSTOR and Academia.edu. : Exist mostly as sparse fragments or summaries (epitomes)
Cassius Dio’s Roman History ( Historia Romana ) is a monumental 80-volume work covering approximately 1,000 years, from the legendary arrival of Aeneas in Italy to 229 CE. Writing in Ancient Greek, Dio spent 10 years researching and 12 years composing his history while serving as a high-ranking Roman senator and two-time consul. Writing in Ancient Greek, Dio spent 10 years
: The Internet Archive provides digitized versions of all 9 Loeb volumes for in-depth study. Cassius Dio — Epitome of Book 73
Dio's work is traditionally divided into 80 books, though only a portion survives in its original form.