Higuchi et. al, "Carboxylate-Facilitated Acetylation of Hydroxy Acids in Aqueous Solution,", 1969

Higuchi et. al, "Carboxylate-Facilitated Acetylation of Hydroxy Acids in Aqueous Solution,", 1969, Box: 10, Folder: 58. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124482 Accessed December 25, 2025.