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GEI-Digital visualized
German Textbook Collection visualized
GEI-Digital visualized provides interactive access to the collection of historic textbooks from Germany. It visualises temporal and spatial dimensions of the collection which supply insights into developments on the historic textbook market and its actors in Germany. As well as being a visualisation tool, it acts as an intuitive search instrument which allows users to search for digital German textbooks by school subject, educational level, publisher and publisher location.