- The Origin of Metallic Currency and Weight Standards (1892)
- The Early Age of Greece (1901) vol 1,
- The Origin and Influence of the Thoroughbred Horse (1905)
- Who were the Romans? (1907)
- The Origin of Tragedy, with Special Reference to Greek Tragedians (1910)
- Dramas and Dramatic Dances of Non-European Races (1915).
- (Ancient Peoples)