Draper، Gerald (1995). "The Contribution of the Emperor Asoka Maurya to the Development of the Humanitarian Ideal in Warfare". International Review of the Red Cross. ج. 35 ع. 305: 192–206. DOI:10.1017/S0020860400090604.
"The whole region from Phrygia to the Indus was subject to Seleucus. He crossed the Indus and waged war with Sandrocottus [Chandragupta], king of the Indians, who dwelt on the banks of that stream, until they came to an understanding with each other and contracted a marriage relationship. Some of these exploits were performed before the death of Antigonus and some afterward." أبيانHistory of Rome, The Syrian Wars 55نسخة محفوظة 20 أكتوبر 2015 على موقع واي باك مشين. [وصلة مكسورة]
"The whole region from Phrygia to the Indus was subject to Seleucus. He crossed the Indus and waged war with Sandrocottus [Chandragupta], king of the Indians, who dwelt on the banks of that stream, until they came to an understanding with each other and contracted a marriage relationship. Some of these exploits were performed before the death of Antigonus and some afterward." Appian History of Rome, The Syrian Wars 55نسخة محفوظة 2015-10-20 على موقع واي باك مشين. [وصلة مكسورة]
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"The whole region from Phrygia to the Indus was subject to Seleucus. He crossed the Indus and waged war with Sandrocottus [Chandragupta], king of the Indians, who dwelt on the banks of that stream, until they came to an understanding with each other and contracted a marriage relationship. Some of these exploits were performed before the death of Antigonus and some afterward." أبيانHistory of Rome, The Syrian Wars 55نسخة محفوظة 20 أكتوبر 2015 على موقع واي باك مشين. [وصلة مكسورة]
"The whole region from Phrygia to the Indus was subject to Seleucus. He crossed the Indus and waged war with Sandrocottus [Chandragupta], king of the Indians, who dwelt on the banks of that stream, until they came to an understanding with each other and contracted a marriage relationship. Some of these exploits were performed before the death of Antigonus and some afterward." Appian History of Rome, The Syrian Wars 55نسخة محفوظة 2015-10-20 على موقع واي باك مشين. [وصلة مكسورة]
"Chapter XII". 20 أكتوبر 2014. مؤرشف من الأصل في 2020-05-01. اطلع عليه بتاريخ 2020-05-01.{{استشهاد ويب}}: صيانة الاستشهاد: BOT: original URL status unknown (link)
