- Dyslexia Association of Ireland website (Maths and Dyslexia): http://www.dyslexia.ie/information/information-for-teachers-schools-and-colleges/dyscalculia-and-maths-difficulties/
- British Dyslexia Association: supplies leaflets on Mathematics and dyslexia, website: http://www.bdadyslexia.org.uk/
- Information from the Cognitive Centre, Malmo, Sweden:http://www.dyscalculiainfo.org/
- Dyscalculia.org - a US Dyslexia & Dyscalculia Support Services: www.dyscalculia.org/