Roman Power, 50 B.C.
Roman Empire in Time of Trajan
Roman Empire at Death of Augustus
Relationship of Human Races (Diagrammatic Summary)
Possible Development of Languages
Hellenic Races 1000-800 B.C. (Map)
Europe and Western Asia in the Later Palæolithic Age
Diagram Showing the Duration of the Neolithic Period
Australia and the Western Pacific in the Glacial Age
Asia Minor, Syria, and Mesopotamia