German-English glossary with approximately 90,000 professional terms and abbreviations from book studies, library and information science. You can search in English and German. Also includes a list of dictionaries used for the composition. A tool for librarians and other users.

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.

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 encyclopedia of Catholicism. Find descriptions of people, cities and customs that play a role in Catholicism. Read about Catholic artists, educators, poets, scholars, activists and more. For those interested in Catholicism or who do historical or religious studies research.

Bibliography with detailed descriptions of more than 12,000 Dutch plays, manuscripts and editions up to 1803. The full text of a number of plays is available online. For those who are interested in or researching the Dutch theatre of the past.

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.

The digitized writings of Leuven professor Pieter Willems about his research into 'Low Franconian' dialects. At the end of the 19th century, he collected data on dialect speakers in Flanders, South-Netherlands and the German Rhineland. For the researcher of language and dialects.