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.

Online portal about fashion and clothing from all over the world. Includes an encyclopedia, reference works, articles, e-books, case studies, biographies, lesson plans, textbooks and tens of thousands of images of fashion shows and designs. For researchers in the fields of fashion, museums, cultural studies, anthropology and more.

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.

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.

Database of digitized German classical works spanning 11 centuries. Collection contains historical, philosophical, theological, political and art history texts. Also includes collections of essays, speeches and other non-literary material. Resource for historians, literary scholars and for those interested in German literature.

Online edition of the Algemene Nederlandse Spraakkunst (General Dutch Grammar). Includes as complete a description of Dutch grammar as possible. Search the rules for words, sentences, phrases, juxtapositions, contractions and more. For researchers and for those who are interested in Dutch as a native language or as a second language.

Online encyclopedia with information about the reception and interpretation of the Bible. Contains theological works and works from other academic disciplines such as the humanities, literature, art and archaeology. Texts are fully searchable, and around 1,500 articles are added annually. For researchers of theology, sociology, art, cultural studies and humanities.