Tyler, Stephen A., 1932- The unspeakable : discourse, dialogue, and rhetoric in the postmodern world / Stephen A. Tyler. - Madison, Wis. : University of Wisconsin Press, 1987. - xiii, 240 p. : ill. ; 23 cm. ISBN: 0299112748 (pbk.) : $17.75 0299112705 (hard) : $42.50 Dewey Class. No.: 001.2