^Roland Sigrist (8 Jun 2004). "Bucher, Franz Josef" (بالألمانية). Historischen Lexikon der Schweiz. Archived from the original on 2018-07-31. Retrieved 2015-12-03.
^Bucher is identified in some sources as Franz Josef Bucher-Durrer, reflecting the custom sometimes adopted in German speaking countries of merging the family names of husband and wife on marriage. Bucher was married twice. Both his wives, like his mother, were born with the surname "Durrer".
