"Sarsentis clsiming represent OTTO WOLFF KOLN Berlin says his firm ready sell arms to China through English group and assure export.Please confidentially enquire direct of above accuracy above information", 1938-06-17. 特藏中心.

"Sarsentis clsiming represent OTTO WOLFF KOLN Berlin says his firm ready sell arms to China through English group and assure export.Please confidentially enquire direct of above accuracy above information", 1938-06-17. 特藏中心. http://10.55.102.87:8081/repositories/2/archival_objects/56366 Accessed July 26, 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, “‘Sarsentis Clsiming Represent OTTO WOLFF KOLN Berlin Says His Firm Ready Sell Arms to China through English Group and Assure Export.Please Confidentially Enquire Direct of above Accuracy above Information’, 1938-06-17,” ., accessed July 26, 2025, http://10.55.102.87:8081/repositories/2/archival_objects/56366.

顾维钧, 1888－1985. "Sarsentis Clsiming Represent OTTO WOLFF KOLN Berlin Says His Firm Ready Sell Arms to China through English Group and Assure Export.Please Confidentially Enquire Direct of above Accuracy above Information", 1938-06-17[Z/OL]([no date])[2025–07–26]. http://10.55.102.87:8081/repositories/2/archival_objects/56366.