Dyscalculia - A personal account of the mathematical learning disability. - http://www.dozenlilacs.com/A%20Dozen%20Lilacs%20In%20A%20Shoebox/Dyscalculia.html
Dyscalculia or Acalculia - Symptoms, causes, and resources available for dyscalculia. - http://www.as.wvu.edu/~scidis/dyscalcula.html
Dyscalculia.org - Information, symptoms, diagnosis, techniques, and other resources for people who have math disabilities. - http://www.dyscalculia.org/#Dyscalculia