EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ John R. Walter ------------------------------------- John R. Walter EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ William L. White ------------------------------------- William L. White EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ Martha Layne Collins ------------------------------------- Martha Layne Collins EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ James R. Donnelley ------------------------------------- James R. Donnelley EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ Charles C. Haffner III ------------------------------------- Charles C. Haffner III EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ Robert A. Hanson ------------------------------------- Robert A. Hanson EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ Thomas S. Johnson ------------------------------------- Thomas S. Johnson EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ Richard M. Morrow ------------------------------------- Richard M. Morrow EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ John M. Richman ------------------------------------- John M. Richman EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ William D. Sanders ------------------------------------- William D. Sanders EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ Jerre L. Stead ------------------------------------- Jerre L. Stead EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ Bide L. Thomas ------------------------------------- Bide L. Thomas EXHIBIT 24 POWER OF ATTORNEY The undersigned hereby constitutes and appoints Frank R. Jarc and David C. Hart, and each of them with full power to act without the other, his or her true and lawful attorney-in-fact, with full power and authority, for the purpose of executing, in the name and on behalf of the undersigned as a director and/or officer of R. R. Donnelley & Sons Company, a Delaware corporation (the "Company"), a Registration Statement on Form S-8 for the registration under the Securities Act of 1933, as amended, of the Company's Common Stock and Preferred Stock Purchase Rights and any and all amendments to such Registration Statement, including post-effective amendments, and to deliver on behalf of the undersigned such Registration Statement and any and all amendments thereto, as each thereof is so executed, for filing with the Securities and Exchange Commission. The undersigned hereby grants unto each such attorney-in-fact full power of substitution and revocation in the premises and hereby ratifies and confirms all that each such attorney-in-fact may do or cause to be done by virtue of these presents. Dated: March 24, 1994 /s/ H. Blair White ------------------------------------- H. Blair White