<p>More information on Icon, its use and its relation to ProIcon is available in the following articles:</p> <p>Corre, Alan D. \"Technical Reviews: ProIcon.\" <em>Computers and the Humanities</em> 24.4 (1990): 301-303. <a href=\"http://link.springer.com/article/10.1007/BF00123417\" target=\"_blank\">Web</a>.</p> <p>Griswold, Ralph E. and Madge T. Griswold. \"History of the Icon Programming Language.\" <em>History of Programming Languages---II.</em> Ed. Thomas J. Bergin, Jr. and Richard G. Gibson, Jr. New York: ACM, 1996. 599-624. <a href=\"http://dl.acm.org/citation.cfm?id=1057830\" target=\"_blank\">Web</a>.&nbsp;</p> <p>Olson, Mark. \"Beyond SNOBOL: The Icon Programming Language.\" <em>Computers and the Humanities</em> 27.1 (1987): 61-66. <a href=\"http://www.jstor.org/stable/30200067\" target=\"_blank\">Web</a>.</p> <p>Olson, Mark. \"Icon Version 7 Reviewed.\" <em>ACH Newsletter</em> 10.2 (1988): 5. Print.</p>