Barraclough, Geoffrey, 1908-1984
The Origins of modern Germany
Basil Blackwell, 1952
 Buku Teks SO
Smith, Thomas C.
The agrarian origins of modern Japan
Standford University Press, 1965
 Buku Teks
White, James L.
The Origins of modern Europe
Washington Square Press, 1966
 Buku Teks SO
Smith, Thomas C.
The agrarian origins of modern Japan
Standford University Press, 1959
 Buku Teks SO
Partridge, Eric, 1894-1979
Origins : an etymological dictionary of modern English
Routledge, 1991
 Buku Referensi