livius.org has an extensive, 7 part section on the Varus battle. In Part Two, Written
sources: the authors, Jonah Lendering lists and discusses the ancient sources.
Here are the links to translations at LacusCurtius:
- Velleius Paterculus' Roman History Book II: Chapters 94‑131
or at livius.org: Book 2, chapters 117-120 - Tacitus, Annals, 60-62
- Publius Annius Florus, Epitome of Roman History, 2.30
- Cassius Dio, Roman History, Book 56, 18-24
Image: Publius Quintilius Varus on a coin from Africa
courtesy livius.org via Wikimedia Commons.