Allan J.: Coins of Ancient India. 1967 Oxford reprint (1936). clxvii, 317 p., xlvi pl. Hardback.

Allan, J.: Gupta Dynasties. 1967 Oxford reprint (1914).cxxxvii, 184 p., xxiv pl. Hardback.

Rapson, E. J.: Coins of the Andhra Dynasty, the western Ksatrapas, the Traikutaka Dynasty and the “Bohdi” Dynasty. 1967 Oxford reprint (1908). ccvii, 268 p., xxi pl. Hardback.