4. "Science under the Terror" (Version II of paper read at Chicago in 1941 ), Research Club Paper, 1941, 1948

4. "Science under the Terror" (Version II of paper read at Chicago in 1941 ), Research Club Paper, 1941, 1948, Box: 10, Folder: 47. Henry Guerlac papers, 14-17-2354. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/170575 Accessed January 17, 2026.