Has anyone had any luck finding a good way to de-duplicate MARC records from ebook vendors. We're looking to integrate Ebrary and Ebsco Academic Ebook collections and they estimate an overlap into the 10's of thousands. Strategies, tools, software? Mike Beccaria Systems Librarian Head of Digital Initiative Paul Smith's College 518.327.6376 [log in to unmask] Become a friend of Paul Smith's Library on Facebook today!