Digital Library Federation Spring Forum 2009 Presentations Presentations from the Digital Library Federation Spring Forum 2009 are now available. Here's a quick selection: HathiTrust: Building the Organization, Building Services Repository Interoperability and Preservation: The Hub and Spoke Framework TIPR: Toward Interoperable Preservation Repositories Whose Stuff Is It, Anyway? A Study of Copyright Statements on DLF-Member Digital Library Collections