"宋子良轉河內黃強電飛机被留事運日向各方奔走闻已暂缓執行懇趁歐局和緩迅電顧大使從速交涉放行希照辦", 1938-10-01. 特藏中心.

"宋子良轉河內黃強電飛机被留事運日向各方奔走闻已暂缓執行懇趁歐局和緩迅電顧大使從速交涉放行希照辦", 1938-10-01. 特藏中心. http://10.55.102.87:8081/repositories/2/archival_objects/55667 Accessed July 03, 2025.

(顾维钧, 1888－1985)

(顾维钧, 1888－1985, n.d.)

(顾维钧, 1888－1985, n.d.)

顾维钧, 1888－1985, “‘宋子良轉河內黃強電飛机被留事運日向各方奔走闻已暂缓執行懇趁歐局和緩迅電顧大使從速交涉放行希照辦’, 1938-10-01,” ., accessed July 3, 2025, http://10.55.102.87:8081/repositories/2/archival_objects/55667.

顾维钧, 1888－1985. "宋子良轉河內黃強電飛机被留事運日向各方奔走闻已暂缓執行懇趁歐局和緩迅電顧大使從速交涉放行希照辦", 1938-10-01[Z/OL]([no date])[2025–07–03]. http://10.55.102.87:8081/repositories/2/archival_objects/55667.