European civilization, its origin and development : 1. Prehistoric man and earliest known societies.

London : Oxford University Press, 1934.
Umfang/Format: 1321 S. : Taf. ; 23 cm.

European civilization, its origin and development : 2. Rome and christendom.

London : Oxford University Press, 1935.
Umfang/Format: 696 S. : Taf. ; 23 cm.