[Lofgren], Ed, to R.R.W., re crystal counters at Cornell, letter on proton-proton scattering, starting on a cosmic-ray program [als], n.d.

[Lofgren], Ed, to R.R.W., re crystal counters at Cornell, letter on proton-proton scattering, starting on a cosmic-ray program [als], n.d., Box: 2, Folder: 128. Robert R. Wilson papers, 14-22-3093. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/223787 Accessed July 18, 2025.