1. Norris W. Eight cases of melanosis with pathological and therapeutic remarks on that disease. London: Longman, Brown, Green, Longmans, and Roberts; 1857.
2. Snow H. Twenty two years’ experience in the treatment of cancerous and other tumours. London: Ballliere, Tindall, and Cox; 1898.
3. Snow H. Abstract of a lecture on melanotic cancerous disease. Lancet. 1892;2:872–4.
4. Handley W. The pathology of melanotic growths in the relation to their operative treatment. Lancet. 1907;927(96):1.
5. Balch CM, Soong SJ, Murad TM, Ingalls AL, Maddox WA. A multifactorial analysis of melanoma: III. Prognostic factors in melanoma patients with lymph node metastases (stage II). Ann Surg. 1981;193:377–88.