Ottoman Empire | Order of the British Empire | Russian Empire | Roman Empire | British Empire | Holy Roman Empire | German Empire | Byzantine Empire | Mughal Empire | Austrian Empire | First French Empire | Empire of Japan | Empire State Building | Vijayanagara Empire | Spanish Empire | Boardwalk Empire | Empire | Mongol Empire | Second French Empire | Order of the Indian Empire | Portuguese Empire | Achaemenid Empire | Parthian Empire | Maratha Empire | Western Roman Empire | Seleucid Empire | The Empire Strikes Back | Hackney Empire | The History of the Decline and Fall of the Roman Empire | The Cat Empire |
During his career in the oil industry, he would write his famous Oilpatch Empire Trilogy which consisted of Oilpatch Empire (1985), Death Spiral (1986) and The Barons (1991).