Kocher, Theodor; Stiles, Harold Jalland. Text-book of operative surgery. London : Adam and Charles Black. 7 January 1895 [7 January 2018] –通过Internet Archive.
Several alternative spellings to Marie Witschi-Courant exist, for example
Maria Witschi (ref hls),
Witchi (ref choong2009),
Witchi-Cournant (ref tan2008),
Maria Witschi but in letters "Marie" (ref: Descriptor (页面存档备份,存于互联网档案馆)
"Kocher". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
web.archive.org
Several alternative spellings to Marie Witschi-Courant exist, for example
Maria Witschi (ref hls),
Witchi (ref choong2009),
Witchi-Cournant (ref tan2008),
Maria Witschi but in letters "Marie" (ref: Descriptor (页面存档备份,存于互联网档案馆)