"Specifications and calibration of the 1953 edition of the ISCC Color Aptitude Test."JOSA 1956, 46, 389-393., 1956,

"Specifications and calibration of the 1953 edition of the ISCC Color Aptitude Test."JOSA 1956, 46, 389-393., 1956,, Box: 1, Folder: 5. Forrest Lee Dimmick papers, 2862. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/379564 Accessed January 21, 2026.