A History of Nutrition-Chapter 15 manuscript "The Pioneer Studies of Vitamin A"

A History of Nutrition-Chapter 15 manuscript "The Pioneer Studies of Vitamin A", Box: 2, Folder: 61. Personal Papers of Elmer V. McCollum, PP 120. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/188863 Accessed December 25, 2025.