Rediscovering the heritage of the past

The contributions included in this volume address issues related to contemporary problems of publishing archival sources, legal aspects of access to archival sources created in the 20th century, electronic documents - their mass nature, peculiarities and gaps in the 20th century documentation, as well as sources serving to transfer values and knowledge between generations. The archives described in the articles cover a wide spectrum of issues concerning both the everyday life of outstanding individuals and documentation of fundamental importance for the development of civilisation, shaping international relations and relationships, and constituting geopolitics.