Warrington, John
Everyman's classical dictionary 800 B.C. - A.D. 337
London Dent 1961
Buku Teks
Allchin, Bridget
The birth of Indian civilization : India and Pakistan before 500 B.C.
Penguin Books, 1968
Buku Teks SO
Mellersh, H.E.L.
Chronology of the ancient world 10,000 B.C. to A.D. 799
Simon & Schuster, 1994
Buku Referensi
Steinberg, S.H.
Historical tables 58 BC-AD 1985
Macmillan, 1986
Buku Referensi
Sands, Lionel
Natural man: 40,000 B.C. and 4,000 A.D.
Vintage Press, 1978
Buku Teks SO