General info

• Wikipedia - Lisp

Official websites

• Common-Lisp.net

Tutorials

• Lists of tutorials
  
  • Common-Lisp.net - Tutorials
• Actual tutorials
  • ArcLanguage.org - Tutorial
    
    • Arc is a dialect of Lisp and is (I think?) what Paul Graham used to create (or just prototype?) Hacker News, and this is a tutorial for Arc aimed at people with no knowledge of Lisp.
  • TutorialsPoint - Lisp
  • Practical Common Lisp (book)
    • Free and online!

Books

• Practical Common Lisp
  • Free and online!