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Page 603 of 66513292 document(s) found
Source
National Archives, Records of the Office of Scientific Research and Development, Record Group 227 (hereinafter RG 227), Bush-Conant papers microfilm collection, Roll 1, Target 2, Folder 1, "S-1 Historical File, Section A (1940-1941)."
Source
Energy Department FOIA release
Source
State Archive of the Russian Federation
