Blue
   Language Specification.
   http://www.cs.kent.ac.uk/people/staff/mik/blue/resources/lang-manual/

Blue: A System For Teaching Object-Oriented Programming
   By John Rosenberg, Michael Kölling; OOPSLA97 Workshop: Resources for Early Object Design Education. Article with contacts, references, links. [University of Arizona]
   http://www.cs.arizona.edu/people/mercer/design/kolling.html

Hello, World program
   Blue
   http://www2.latech.edu/~acm/helloworld/blue.html

The Blue Page
   Home site of object-oriented teaching language and environment. Examples, manuals, downloads for Solaris and Linux, sources.
   http://www.cs.kent.ac.uk/people/staff/mik/blue/