A History of Nutrition-Chapter 4 manuscript "Events in the Progress of Knowledge of Proteins"

A History of Nutrition-Chapter 4 manuscript "Events in the Progress of Knowledge of Proteins", Box: 2, Folder: 50. Personal Papers of Elmer V. McCollum, PP 120. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/188852 Accessed December 25, 2025.