J. K. (1913). "Bactria: The History of a Forgotten Empire. By H. G. Rawlinson, M.A., I.E.S. Probsthain's Oriental Series". Journal of the Royal Asiatic Society. 45 (3): 733–735. doi:10.1017/s0035869x00045470. ISSN1356-1863.
"BACTRIA – Encyclopaedia Iranica". www.iranicaonline.org. Retrieved 2019-08-07. After annexation to the Persian empire by Cyrus in the sixth century, Bactria together with Margiana formed the Twelfth Satrapy.
Justin on Demetrius: "Multa tamen Eucratides bella magna uirtute gessit, quibus adtritus cum obsidionem Demetrii, regis Indorum, pateretur, cum CCC militibus LX milia hostium adsiduis eruptionibus uicit. Quinto itaque mense liberatus Indiam in potestatem redegit." Justin XLI,6[usurped]
J. K. (1913). "Bactria: The History of a Forgotten Empire. By H. G. Rawlinson, M.A., I.E.S. Probsthain's Oriental Series". Journal of the Royal Asiatic Society. 45 (3): 733–735. doi:10.1017/s0035869x00045470. ISSN1356-1863.