| University of Erlangen, Germany | Atlas images °°° |
| University of Iowa, department of Dermatology, USA | Atlas images °° |
| Loyola University, Chicago, USA | Atlas images °° |
| Case of the month, Washington | Cas cliniques°° |
| Dermatological & Rheum. On line Atlas, Univ.Padova | Images database |
| Oral pathology, College of Dentistry, Univ.Iowa, USA | Images database |
| Skin and diabetes at Dermatology on line journal | Images database |