- Multi-Ethnic Roman Empire: Immigration, Influences, Romanization
- Barbarians and the Roman Empire
- Provinces of the Roman Empire
- Ethnic Groups and Regions in the Western European Roman Empire
- France (Gaul) and Gauls in the Ancient Roman Era
- Celts, Ancient Romans and Germanic Tribes in Northern Europe
- Spain in the Ancient Roman Era
- Central Europe and The Alps During the Roman Empire
- Balkans and Thrace in the Ancient Roman Era
- Ethnic Groups and Regions in Africa and the Eastern Roman Empire
- Greece and Greeks in the Ancient Roman Era
- North Africa in the Roman Era
- History of the Romans in North Africa: Conquest, Wars, Decline
- Roman Sites in North Africa
- Egypt in the Roman Era
- Asia Minor under the Romans
- Romans in the Middle East, Syria and Mesopotamia
- Palestine and Jews in the Early Roman Era
- Chinese Accounts of the Roman Empire in Syria
- Ancient Romans in Arabia
- Parthian Empire — Rome’s Great Rival in the East
- Ancient Roman Frontier Defenses: Forts, Walls, and Their Purposes
- Roman Conquest of Britain
- Roman Occupation of Britain
- Rise and Fall of Roman Britain
- Boudiccan Rebellion: Boudicca, Why It Occurred and What Happened
- Roman Military in Britain: Frontiers, Forts, Cultural Diversity and Pubs
- Hadrian’s Wall
- Vindolanda: Roman Soldier Life, Tablets and Letters
- Notitia Dignitatum (Register of Dignitaries)
- Roman Foreign Policy
- Roman Frontiers, Walls and Border Defenses
- Contacts Between the Ancient Greeks and Romans and China
- Ancient Romans in India
- Ancient Greek and Roman Writers on Traveling by Sea to India