Online encyclopedia with studies in the field of Ancient Greek language and linguistics. Contains information about grammar, dialects, metrics, pronunciation and more. Interesting for researchers and students of Ancient Greek, other Indo-European languages and of Biblical literature.

Website with more than 50,000 digitized artworks, books, artefacts, videos and music from the collections of 3,500 European museums, libraries, galleries and archives. New content is added regularly. Interesting for researchers and lovers of music, art and literature.

Integrated international catalogue of libraries and bookstores. Search for millions of books, magazines and other media in library and bookstore catalogues worldwide. This includes catalogues of national libraries, large commercial booksellers and digitization projects. Also offers the option to search only in digital sources. Suitable as a starting point for researchers.

Database with two million lemmas from reference books from Oxford University Press and other scientific and scholarly publishers. Covers 25 different subject areas, from archaeology to social sciences. Contains timelines, quotes, an English image dictionary and translation dictionaries such as Irish-English and Welsh-English. For researchers.

Collective catalogue of more than 10,000 libraries from 55 countries. Has been unlocked through Worldcat since 2020. Search for books or magazine articles and request them through the interlibrary loan (IBL). Handy for library users who are looking for an item that can't be borrowed from their own library.

WorldCat Discovery is a search engine that searches the KB collection and collections of other libraries worldwide. Provides access to more than 1.8 billion digital and physical resources. Search all titles or just those of the KB. For anyone looking for the availability of a title.