The guide provides comprehensive and up-to-date information on libraries in Germany, Austria and Switzerland. Among the approx. 6,000 libraries listed are national, general research, university and institute libraries, public libraries, ecclesiastical, business and other special libraries. Each entry contains contact details, head of library, holdings and special collections. The main body of the guide can be accessed via an index of names and a subject index.

The database edition comprises the content and search criteria of the printed edition and its indices, facilitating complex searches.