Suggestions for use This Special Exhibition provides direct access to the image database of the related official documents either from the table of contents on the top page, the photo gallery, or the events column of the chronological table. You will need the viewer software "DjVu" in order to access the image database. It can be downloaded free of charge. For details, please refer to the "Beginner's guide" (access from our home page). Images can be downloaded and printed freely. Before doing so however, you are requested to read the "About Usage of Document Images." If you wish to quote our material or take them up for secondary use, please follow our "Quotation Policy." These can also be accessed from the home page.