Basics of Compiler Design
- Freely available book written for use in the introductory compiler course at DIKU, the department of computer science at the University of Copenhagen, Denmark. (Torben Mogensen)
- http://www.diku.dk/hjemmesider/ansatte/torbenm/Basics/

ACM SIGPLAN
- The ACM Special Interest Group for Programming Languages. SIGPLAN explores techniques and tools for programming language implementation, design, and use.
- http://www.acm.org/sigs/sigplan/

Programming Language Research
- A collection of information and resources for research in programming language theory, design, implementation, and related areas.
- http://www.cs.cmu.edu/afs/cs.cmu.edu/user/mleone/web/language-research.html

Researchers in Programming Languages and Compilers
- A list of home pages for researchers working on programming language theory, design, implementation, and related areas. Maintained by Mark Leone at CMU.
- http://www.cs.cmu.edu/afs/cs.cmu.edu/user/mleone/web/language-people.html

Syllabus for Theory of Computation
- A complete mini-course on Formal Languages and Automata
- http://www.seas.upenn.edu/~cit596/notes/dave/syllabus.html

FreeTechBooks - Compiler Design and Construction
- Free online books on compiler design and construction. Subjects include concepts and tools.
- http://www.freetechbooks.com/viewforum.php?f=14

Compilers Construction
- Notes on compiler theory, the source code of describing actual construction of compiler in C programming language. Also compiler construction related links to books, notes, tutorials, and news groups.
- http://www.personal.kent.edu/~rmuhamma/Compilers/compiler.html

Creating A Language
- Article by Fabio Fernandes for beginners.
- http://home10.inet.tele.dk/moelhave/tutors/misc/createlanguage.htm

Compilers and Compiler Generators
- Article by P.D. Terry, Rhodes University, 1996
- http://scifac.ru.ac.za/compilers/