FreeType -- a free TrueType rasterizer
http://www.freetype.org

OpenType Specification
Adobe: http://www.adobe.com/supportservice/devrelations/opentype/main.htm
Microsoft: http://www.microsoft.com/typography/tt/tt.htm

Type 42 Font Format Specification
Adobe Technical Note #5012
http://www.adobe.com/supportservice/devrelations/PDFS/TN/5012.Type42_Spec.pdf
	
Adobe Font Metrics File Format Specification -- Version 4.1
Adobe Technical Note #5004
http://www.adobe.com/supportservice/devrelations/PDFS/TN/5004.AFM_Spec.pdf
