Klopsteg, Paul E., American Association of Physics Teachers, to R.R.W., Harvard University, re membership [mc, signed], 12/6/1946

Klopsteg, Paul E., American Association of Physics Teachers, to R.R.W., Harvard University, re membership [mc, signed], 12/6/1946, Box: 2, Folder: 95. Robert R. Wilson papers, 14-22-3093. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/223560 Accessed December 21, 2025.