Smith, W. O., U. S. Department of Agriculture (USDA), to R.R.W., Princeton University, re request for reprint "Theory of the Cyclotron" [tls], 6/19/1941

Smith, W. O., U. S. Department of Agriculture (USDA), to R.R.W., Princeton University, re request for reprint "Theory of the Cyclotron" [tls], 6/19/1941, Box: 3, Folder: 118. Robert R. Wilson papers, 14-22-3093. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/224862 Accessed December 14, 2025.