1. Bergier J-F. Une Histoire du Sel. Office du livre S.A., Fribourg, Switzerland; 1982
2. Hocquet J-C. Le Sel et le Pouvoir. Editions Albin Michel S.A, Paris; 1985
3. Kurlansky M. Salt—A World History. Jonathan Cape, London; 2002
4. Ritz E. The history of salt—aspects of interest to the nephrologist. Nephrol Dial Transplant1996; 11: 969–975
5. MacGregor GA, de Wardener HE. Neprune's Poisoned Chalice: Salt, Diet and Health. Cambridge University Press; 1998