1. The works of of Aristotle. Volume 7. Problemata. (Transl. Forster E.M.),1927
2. Traité des maladies de ĺoreille et de ĺaudition;Itard,1821
3. A treatise on the physiology and pathology of the ear;Curtis,1831
4. Tinnitus, with a plea for its more accurate notation;Spalding;Archives of Otology.,1903
5. Systematic review and meta-analysis of randomized controlled trials examining tinnitus management;Hoare;Laryngoscope,2011