For some reason I can never find a complete or detailed list online so I decided to make one myself.
Ancient and Medieval
Field of Glory Wargaming Rules for Ancient and Medieval Tabletop Gaming
Companion 1 Rise of Rome: Republican Rome at War
Companion 2 Storm of Arrows: Late Medieval Europe at War
Companion 3 Immortal Fire: Greek, Persian and Macedonian Wars
Companion 4 Swords and Scimitars: The Crusades
Companion 5 Legions Triumphant: Imperial Rome at War
Companion 6 Eternal Empire: The Ottomans at War
Companion 7 Decline and Fall: Byzantium at War
Companion 8 Wolves from the Sea: The Dark ages
Companion 9 Swifter than Eagles: The Biblical Middle East at War
Companion 10 Oath of Fealty: Feudal Europe at War
Companion 11 Empires of the Dragon: The Far East at War
Companion 12 Blood and Gold: The Americas at War
Companion 13 Lost Scrolls: The Ancient and Medieval World at War
Renaissance
Field of Glory Wargaming Rules for Renaissance Tabletop Gaming
Renaissance Companion 1 Wars of Religion: Western Europe 1610-1690
Renaissance Companion 2 Trade and Treachery: Western Europe 1494-1610
Renaissance Companion 3 Clash of Empires: Eastern Europe 1494-1698
Renaissance Companion 4 Colonies and Conquest: Asia 1494-1698
Renaissance Companion 5
Duty and Glory: Europe 1660-1698
Renaissance Companion 6 Cities of Gold: Africa and the Americas 1494-1698
Napoleonic
Field of Glory Wargaming Rules for Napoleonic Tabletop Gaming
Triumph of Nations
Emperors and Eagles