ID card links
www.jti-tech.co.uk Magstripe specifications.
www.aurorabarcode.com Technical info (magstripe & barcode).
www.smartcard.co.uk Smartcard news
www.security-roadmap.co.uk Security news & directory.
Barcode links
www.csensors.com Sources for barcode specifications.
www.terrapin.co.uk Common barcode specifications.
Typography links
www.microsoft.com Microsoft's typography info
www.apple.com Apple's TrueType reference
www.adobe.com Adobe's font documentation
www.unicode.org Unicode charts