Vasey, Daniel E.
An ecological history of agriculture: 10,000 B.C.-A.D. 10,1000
Iowa State University Press, 1992
 Buku Teks
Toy, Sidney
A history of fortification : from 3000 BC to AD 1700
Pen & Sword Military Classics, 2006
 Buku Teks SO
Auboyer, Jeannine
Daily life in ancient India : from approximately 200 BC to AD 700 = La vie quotidienne dans l'inde ancienne
Wiedenfeld and Nicolson, 1961
 Buku Teks SO
Salmon, Edward T.
A history of the Roman world from 30 BC to AD 138 by
Routledge, 1995
 Buku Teks
History of humanity : scientific and cultural development; Volume III : from the seventh century BC to the seventh century AD
edited by Joachim Herrmann, Joachim Herrmann and Erik Zurcher
Routledge, 1996
 Buku Referensi