SNOBOL2 - Brief existence, featured built-in functions, but not programmer-
defined ones. "SNOBOL2", D.J. Farber, R.E. Griswold and I.P. Polonsky, TR
Bell Labs, Apr 1964.
SNOBOL2 Programming Language
http://www.programming-languages.co.uk/snobol2.html
Large list of computer programming languages arranged alphabetically, with explanations.