1. Ear exostoses.;Hrdlicka;Smithson Misc Coll,1935
2. On osseous tumours growing from the walls of the meatus externus of the ear and the enlargement of the walls themselves; with cases.;Toynbee;Prov Med Surg J,1849
3. Beobachtungen uber die Function einzelner Theile des Gehors.;Autenrieth;Arch Physiol,1809
4. On bony growths in the meatus auditorius externus.;Roosa St;New York Med J,1866
5. Ueber die Exostosen des ausseren Gehorganges.;Kessel;Corresp Bl Allg Arz Ver Thuringen,1889