1. On the causes of congenital onychogryphosis;Muller;Munchen Med Wchnschr,1904
2. Three cases of hereditary hyperkeratosis of the nail-bed;Wilson;Br J Dermatol,1905
3. Pachyonychia congenita. Keratosis disseminata circumscripta (follicularis), Tyomata. Leukokeratosis linguae;Jadassohn,1906
4. Pachyonychia congenita in six generations;Akesson;Hereditas,1967
5. Pachyonychia congenita;Feinstein;J Am Acad Dermatol,1988