Doub, Howard P., Radiology, to R.R.W., Harvard University, re paper entitled, "Properties of Penetrating Protons," [tls] paper [tm]; follow-up, 7/15/1946 [tls]; H. P. D. to R.R.W., re "Radiological Use of Fast Protons" [tls], 6/12/1946

Doub, Howard P., Radiology, to R.R.W., Harvard University, re paper entitled, "Properties of Penetrating Protons," [tls] paper [tm]; follow-up, 7/15/1946 [tls]; H. P. D. to R.R.W., re "Radiological Use of Fast Protons" [tls], 6/12/1946, Box: 1, Folder: 90. Robert R. Wilson papers, 14-22-3093. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/222824 Accessed July 30, 2025.