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Compiler Construction 
The GENTLE Compiler Construction System [PostScript] Compiler Design and Implementation (J.E. Thelin)
Modern Compiler Design (Dick Grune) Parsing Techniques - A Practical Guide (Dick Grune)
Compilers Lecture Notes (R. Muhammad) [by P. Graham] Advanced Compiler Construction (K.D. Cooper)
Compilers and Compiler Generators: An Introduction with C++ (P.D. Terry) [Mirror] [PDF Version] [Homepage]
Compiler Construction Using Flex and Bison (A. Aaby, in PDF) [Previous Version (HTML)]
Flex Manual Bison Manual
A Compact Guide to Lex & Yacc for Compiler Construction (T. Niemann)
Let's Build a Compiler (J. Crenshaw )  
TrueType Instruction Compiler Tutorial Behavioral Compiler Tutorial