Higuchi et. al, "Covalent Addition of N-Chlorosccharin to Cyclohexene,", 1970, Box: 10, Folder: 81. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124505 Accessed June 16, 2024.