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.

Documents from the reign of the English Queen Elizabeth I (1533-1603) and King James I/VI (1566-1625). Contains more than 30,000 documents from and about the major figures of that time. Contains correspondence and reports, for example about the execution of Mary, Queen of Scots. Includes scans and full text view. Source for historians.

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.

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.

Catalogue with more than 480,000 descriptions of all (mainly English language) books, newspapers and magazines printed between 1473 and 1800, particularly in the British Isles, United States and Canada. More than 2,000 libraries, including The British Library, contribute to this bibliography. Resource for historical research.

Database of approximately 20,000 (transcribed) letters written by and sent to 17th century scholars from the Republic of the Seven United Netherlands. Search results are also visually displayed in terms of geography, time and correspondent networks. Useful for historians and history enthusiasts.