University of Iowa
http://tray.dermatology.uiowa.edu/DermImag.htm

Hardin Meta Directory
http://www.lib.uiowa.edu/hardin/md/dermpictures.html

Spencer S. Eccles Health Sciences Library
http://www-medlib.med.utah.edu/kw/derm/

Loyola University Chicago
http://www.meddean.luc.edu/lumen/MedEd/medicine/dermatology/melton/content1.htm

John Hopkins University
http://dermatlas.med.jhmi.edu/derm/