Vitamin A-B-D booklet by E.V. McCollum

Vitamin A-B-D booklet by E.V. McCollum, Box: 3, Folder: 84. Personal Papers of Elmer V. McCollum, PP 120. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/188964 Accessed December 25, 2025.