Children of the Moon -
A portal site that provides an online community for children, teens and adults with xeroderma pigmentosum.
http://www.moonchildren.com

National Organization of Rare Disorders - Xeroderma Pigmentosum -
Offers alternative names, a general discussion and resources.
http://www.rarediseases.org/

Online Mendelian Inheritance in Man - Xeroderma Pigmentosum -
 Includes summaries of genetic research results and citations.
http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=278700

Understanding Xeroderma Pigmentosum -
Online booklet providing a general overview and description of the disorder and answers to frequently asked questions. Produced by the US National Institues of Health. [PDF Format]
http://www.cc.nih.gov/

Xeroderma Pigmentosum -
An article about this disorder in English and Italian along with some images.
http://digilander.libero.it/

Xeroderma Pigmentosum Society -
Resource for information about the disease and about the not-for-profit support organization devoted to supporting patients and families and promoting research. Links, contact information, XP Society news about fund raising events and the unique Camp Sundown program.
http://www.xps.org

XP Support Group -
 UK-based organisation giving support, help and information to those affected by xeroderma pigmentosum and other photosensitive conditions.
http://www.xpsupportgroup.org.uk