EX-23.1 5 inf1082319d.txt CONSENT OF ERNST & YOUNG LLP Exhibit 23.1 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the registration of 500,000 shares under the Information Holdings Inc. 1998 Stock Option Plan of our report dated February 21, 2002, with respect to the consolidated financial statements of Information Holdings Inc. and subsidiaries included in its Annual Report (Form 10-K) for the year ended December 31, 2001, filed with the Securities and Exchange Commission. /s/ Ernst & Young LLP New York, New York November 26, 2002