Citations
3 letters from Sir John Cockcroft to Professor J C Boyce., 1938 - 1940, GBR/0014/MISC 13. Churchill Archives Centre. |
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3 letters from Sir John Cockcroft to Professor J C Boyce., 1938 - 1940, GBR/0014/MISC 13. Churchill Archives Centre. https://archivesearch.lib.cam.ac.uk/repositories/9/archival_objects/461274 Accessed January 30, 2025. |