Printed by greenaways, a member of the ormolu group London, Edinburgh, Leeds, Manchester, New York, Paris, Hong Kong, Singapore, Tokyo. S129734 EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement Nos. 333-08542 and 333-12666 of Reed International P.L.C. and Elsevier NV on Form S-8 and in the Post-Effective Amendment No. 1 to Registration Statement No. 333-6710-02 of Reed International P.L.C. and Elsevier NV on Form F-3 of our report dated February 21, 2001, relating to the combined financial statements of Reed Elsevier, appearing in the Annual Report of Reed International P.L.C., Elsevier NV, Reed Elsevier plc and Elsevier Reed Finance BV and their respective subsidiaries on Form 20-F for the year ended December 31, 2000. Deloitte & Touche Chartered Accountants London, England 13 March 2001 Deloitte & Touche Accountants Amsterdam, The Netherlands 13 March 2001