1. Gysel C (1982) Samuel Thomas Soemmerring (1755?1830). Morphologiste des variations de la face. Orthod Fr 53:641?663
2. Hagner M (1997) Homo cerebralis. Der Wandel vom Seelenorgan zum Gehirn. Berlin Verlag, Berlin, pp 63?87
3. Jay V (1999) The Anatomical Legacy of Dr Sömmerring. Arch Pathol Lab Med 123:762
4. Marcovecchio E (1993) Dizionario etimologico storico dei termini medici. Festina Lente, Firenze, p 437
5. McHenry LC (1969) Garrison?s History of Neurology. Charles C Thomas, Springfield