1. Breasted JH (1930) The Edwin Smith Surgical Papyrus, vol. 3, University of Chicago Oriental Institute. Publication, Chicago: 217
2. Hippocrate (1532) Aphorismes par J.-F. Rabelais, Lyon
3. Avicenne (1498) Canonis Liber tertius
4. Bartholini T (1661) De nivis usu medico observationes variae. P. Haubold, Copenhagen
5. Bartholini T (1661) De figura nivis dissertatio. P. Haubold, Copenhagen