International audience; Once upon a time, the preservation, the study, and the digitization of books were primarily justified by utilitarian needs: to obtain a qualification, or to hold down a job — or to share ideas, or to satisfy a hedonistic need derived from the ple...

This article tackles the issue of integrating heterogeneous archival sources in one single data repository, namely the European Holocaust Research Infrastructure (EHRI) portal, whose aim is to support Holocaust research by providing online access to information about di...