<p>Concorder / Le Concordeur was available as early as 1992. More information is available on the Macintosh build in the following:</p> <p>Corre, Alan D. \"Technical Review: Concorder: Concordance Software for the Macintosh.\" <em>Computers and the Humanities</em> 26.5-6 (1992): 463-464. <a href=\"http://www.jstor.org/stable/30204637\" target=\"_blank\">Web</a>.</p> <p>Rand, David W. and Tatiana Patera. <em>Concorder: Concordance Software for the Macintosh, User's Manual: Version 1.1</em>. Montreal: Publications CRM, Universite de Montreal (1991). <a href=\"http://books.google.ca/books/about/Concorder_Concordance_Software_for_the_M.html?id=kpnNygAACAAJ&amp;redir_esc=y\" target=\"_blank\">Web</a>.</p>