EXHIBIT 23(A) CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated January 28, 1993 included or incorporated by reference in R.R. Donnelley & Sons Company's Form 10-K for the year ended December 31, 1992 and to all references to our firm included in this Registration Statement. /s/ Arthur Andersen & Co. ------------------------------------- Arthur Andersen & Co. Chicago, Illinois March 24, 1994