Rawlinson, H.G.
India : a short cultural history
Cresset Press, 1952
 Buku Teks
Lohuizen-De Leeuw, Johanna Engeberta Van
The "scythian" period : an approach to the history, art, epigraphy and palaeography of North India from the 1st century B.C. to the 3rd century A.D. / J. E. Van Lohuizen-De Leeuw
E. J. Brill, 1949
 Buku Teks
Basham, A.L.
The wonder that was India
Grove Press, 1959
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Nehru, Jawaharlal, 1889-1964
The discovery of India
Oxford University Press, 1982
 Buku Teks
Sewell, R.
India before the English / R. Sewell
Asian Educational Services, 1987
 Buku Teks