1. Keratosis Linguae, Idonographia dermatologia;Jadassohn,1906
2. Pachyonychia Congenita;Andrews;New York State J. Med,1929
3. Pachyonychia Congenita;Fox;New York State J. Med,1929
4. Dyskeratosis Congenita With Pigmentation, Dystrophia Unguis, and Leukokeratosis Oris;Cole;Arch. Dermat. & Syph,1930
5. Discussion of Cole's Case;Jadassohn;Arch. Dermat. & Syph,1930