System Docs
• LISP Primer
• LISP Ref

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System Source
• Interpreter(Asm)
• Compiler(LISP)

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Carl Hewitt's Planner
• Documentation
• Planner(LISP)

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Theorem Prover (Web Site Author 1974)
• BritishMuseum(LISP)

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Fuzzy Logic
• Fuzzy(LISP)

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Utilities
• Editor(LISP)
• Debugger(LISP)
• PrettyPrint(LISP)
• Arithmetic(LISP)