Documents of the Nanking Safety Zone
IPS Document No. 1744, Exhibit 323. "Number 7. Political and Economic Studies. Documents of the Nanking Safety Zone. Edited by Shuhsi Hsu, PhD, sometime adviser to the Ministry of Foreign Affairs. Prepared under the Auspices of the Council of International Affairs, Chungking." Printed by Kelly Walsh, Limited, Shanghai-Hong Kong-Singapore. 1939."