A History of CLU
   A retrospective by Barbara Liskov, the primary designer of CLU. [PDF]
   http://www.lcs.mit.edu/publications/pubs/pdf/MIT-LCS-TR-561.pdf

CLU
   Compiled, object-oriented language from Programming Methodology Group, MIT Laboratory for Computer Science. Home site: documents (definition, history) as PS files, FTP download links for native and portable versions.
   http://www.pmg.lcs.mit.edu/CLU.html

Hello, World Program
   Classic test program, written in CLU.
   http://www2.latech.edu/~acm/helloworld/clu.html

clu2c
   CLU to C compiler
   http://www.din.or.jp/~ushijima//clu2c.html