Higuchi et. al, "Arabic Acid and Its Salts,", 1951

Higuchi et. al, "Arabic Acid and Its Salts,", 1951, Box: 10, Folder: 46. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124470 Accessed December 25, 2025.