Ferguson, Wallace K.
A survey of european civilization / Wallace Klippert Ferguson ; Geoffrey Bruun ; under the editorial supervision of Carl L. Becker
Houghton Miffiln, 1942
 Buku Klasik
Childe, V. Gordon
The Dawn of European civilization / V. Gordon Childe
Routledge, 1996
 Buku Teks
Rice, Eugene F.
The foundations of early modern Europe 1460-1559
W.W. Norton, 1970
 Buku Teks
Burns, Edward McNall, 1897-1972
Western civilizations : their history and their culture; vol. 1
W.W. Norton & Company, 1973
 Buku Teks
Childe, V. Gordon
Bronze age / V. Gordon Childe
Cambridge University Press, 1930
 Buku Teks