An extensive database of biographical data on architects, visual artists and people from the world of film, music and stage, amongst others. From ancient times to the present day. The descriptions are in German and English.

Includes 3 different databases. The lexicon includes a lot of information about more than 77,000 artists from the Benelux region, there is also a database of information about German artists, and the 3rd database contains the signatures of Dutch and Belgian artists. For art historians.

Contains the biographies of interesting people who were of significance to the Netherlands from 1780 to 2000. From the lawyer Simon van der Aa to the music educator Bernardus Zweers. Each biography contains an overview of important sources and literature on the person described. For those who are interested in biographies and the history of the Netherlands.

German reference book on people from the church and the history of philosophy. Read descriptions about people of significance in the fields of theology, history, literature, music, painting, pedagogy and philosophy. For researchers and those interested in history and religion.

Biographical information about well-known and lesser-known people from Dutch history. The descriptions come from existing reference books about people who are no longer alive. From Willem van der Aa to Frederik van Zyrik. For those interested in Dutch history.

Online catalogue with descriptions of all newspapers in the KB collection. Find information about articles in national and international newspapers, news magazines and daily local newspapers published from 1640 to the present day. From the Algemeen Dagblad to the Zwolse Courant. For researchers.

Online catalogue with approximately 585,000 descriptions of individual letters and parts of correspondence written in the early-modern and modern period (ca. 1500 - present). Contains information about more than 2 million letters. The letters come from the collections of Dutch heritage institutions, including the KB. For researchers.

Online catalogue with descriptions of books, magazines and microfiches about music and sheet music from classical antiquity to the present day. Part of the collection can be checked out on loan. Contains codes to search for different instrumentations, for example for “string quartets”. For researchers and Dutch music enthusiasts.

Online catalogue of 17 Dutch and Flemish institutions (including the KB) with more than 300,000 descriptions of mainly Dutch-language children's books, magazines and catchpenny prints from the 16th century to the present day. Also contains approximately 70,000 descriptions of articles and books that reflect on children’s literature. For the researcher of children's books.

Encyclopedia with biographical summaries of remarkable women from Dutch history and overseas territories. Covers 15 centuries and is searchable by alphabet and category. Previously appeared in print form as 1001 women from Dutch history. For the (hobby) historian and anyone interested in women's history.