POP-11

Computers and Thought: A practical Introduction to Artificial Intelligence
By Mike Sharples, David Hogg, Chris Hutchison, Steve Torrance, David Young; MIT Press, 1989, ISBN 0262691337. Book presents topic via examples in AI programming language POP-11; online, free.
http://www.cs.bham.ac.uk/research/projects/poplog/computers-and-thought/

Free Poplog
A multi-language AI system that contains Prolog, Common Lisp, ML and POP-11 implementation.
http://www.cs.bham.ac.uk/research/projects/poplog/freepoplog.html

Information About Poplog and POP-11
What they are, history, free versions online, platforms, and comments.
ftp://ftp.cs.bham.ac.uk/pub/dist/poplog/poplog.info.html

OpenPoplog
Initiative to raise use of Poplog and attract programmers to develop the system further; many resources; at SourceForge.
http://openpoplog.sourceforge.net/

POP-11
Growing article, with links to many related topics. [Wikipedia]
http://en.wikipedia.org/wiki/POP-11

POP-11
Hello World in pop-11.
http://www2.latech.edu/~acm/helloworld/pop11.html

Poplog Online
Overview files, indexes: help, teach, reference, documents; at Reading University.
http://www.poplog.cs.rdg.ac.uk/