Hara, Kimie (2001). “50 Years from San Francisco: Re-Examining the Peace Treaty and Japan's Territorial Problems”. Pacific Affairs74 (3): 361. doi:10.2307/3557753.
"According to Matsumoto, an ashen-faced Shigemitsu returned from the meeting saying, "Dulles has said something completely terrible (mattaku hidoi). He said if Japan lets the Soviet Union keep Etorofu and Kunashiri the U.S. will make Okinawa its own territory."[8]
