Inside Macintosh残ってるんか。。これは「読む」のではなく「検索する」ものです。
Macintosh Toolbox Essentials
http://developer.apple.com/legacy/library/documentation/mac/pdf/MacintoshToolboxEssentials.pdf
More Macintosh Toolbox
http://developer.apple.com/legacy/library/documentation/mac/pdf/MoreMacintoshToolbox.pdf
Imaging With QuickDraw
http://developer.apple.com/legacy/library/documentation/mac/pdf/ImagingWithQuickDraw.pdf
Text
http://developer.apple.com/legacy/library/documentation/mac/pdf/Text.pdf

今さらCarbon化してもね…確かRosettaのあるSnow Leopardが限界のような記憶が。
Carbon Porting Guide
http://developer.apple.com/legacy/library/documentation/Carbon/Conceptual/carbon_porting_guide/carbonporting.pdf