Jan Lucassen is a senior research fellow of the International Institute for Social History (IISH) in Amsterdam. Aad Blok is senior research fellow of the International Institute for Social History (IISH) in Amsterdam.Huub Sanders is research staff member for collection development at the International Institute for Social History (IISH) in Amsterdam. Bio bij Het virus der betrokkenheid * 1953 MA History Leiden University 1980. Staff member for collection development in the International Institute of Social History (IISH), Amsterdam. Responsible for International Organizations collections. His special interests are the history of the collection development of the IISH and 'history from below'.

• Preface, Social History Sources, Knowledge and Research Introduction to A Usable Collection, How to Qualify for the Directorate of the iish?, part i – the emergence of social history collections, part ii – the european collections of the iish: acquisitions and catalogues, part iii – the iish and eastern Europe, part iv – the iisg goes global, Jaap Kloosterman A Tentative Bibliography, Notes on the Contributors, Index