Common Objects - H-P. An object-oriented LISP. "Inheritance and the
Development of Encapsulated Software Components", A. Snyder, Proc 20th
Hawaii Conf on Sys Sci, pp.227-238 (1987).
Common Objects Programming Language
http://www.programming-languages.co.uk/common-objects.html
Large list of computer programming languages arranged alphabetically, with explanations.