Johnston, John B, G. Baley Price, and Fred S. Van Vleck. Linear Equations and Matrices, Reading, MA : Addison-Wesley Publishing Company, 1966. Personal papers of G. Baley Price, PP 523. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/127542 Accessed March 20, 2025.