Walbank, F.W.
The Hellenistic world / F.W. Walbank
Fontana Press, 1992
 Buku Teks
Soothill, W.E. (William Edward)
China and the West : a sketch of their intercource / W. E. Soothill
Oxford University Press, 1925
 Buku Teks
Adams, N. B.
The Heritage of Spain: an introduction to Spanish civilisation / N.B. Adam
Henry Holt, 1952
 Buku Teks
Davis, W. Jackson
The seventh year : industrial civilization in transition / W. Jackson Davis
W.W. Norton & Company, 1979
 Buku Teks
Kosambi
Culture and civilisation of ancient India in historical outline/D.D. Kosambi
Vikas Publishing House, 1975
 Buku Teks