EXHIBIT 23

                        CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement (Form
S-8, No. 333-01951) pertaining to the AmeriSource Corporation Employee
Investment Plan of our report dated June 15, 2001, with respect to the financial
statements and schedules of the AmeriSource Corporation Employee Investment Plan
included in this Annual Report (Form 11-K) for the year ended December 31, 2000.

                                             /s/ Ernst & Young LLP


Philadelphia, Pennsylvania
June 26, 2001