National Research Council. Symposium on Visual Fatigue: Washington, D.C. (May 20, 1939). "The Effects of Anoxia on Certain Visual Functions" [notes and transcript], May 20, 1939

National Research Council. Symposium on Visual Fatigue: Washington, D.C. (May 20, 1939). "The Effects of Anoxia on Certain Visual Functions" [notes and transcript], May 20, 1939, Box: 162, Folder: 19. Ross A. McFarland Papers, FSC-1. Special Collections. https://wright.libraryhost.com/repositories/2/archival_objects/53706 Accessed November 23, 2024.