Explore this collection

This collection at a glance

See the size and shape of the collection at a glance - how many descriptions, across which levels and centuries, from which repositories, and how much you can explore online.

Ask the collection

Ask a plain-language question and get an answer drawn from this collection's own catalogue and knowledge base, with cited sources.

Read a record in your language

Open any catalogue record and read its key details translated into your language on demand. The original is always shown and remains authoritative.

Pick any record, then choose "Read in your language".

Languages of this collection

See which languages the catalogue can be read in today, and how much of it - and help us reach more readers in more languages.

Race against loss

See the records this collection has identified as most at risk of being lost, and why - the items a digitisation effort should reach first.

Reconstructions gallery

Walk through reconstructions of places and objects that no longer exist, rebuilt from the evidence in the collection.

Content Credentials

Verify the provenance and authenticity of an image or document using its embedded Content Credentials (C2PA).

System map

See how the pieces fit together - the catalogue, the public surfaces, and the services behind them.

Open data graph (API)

A Linked-Data endpoint for developers and researchers: fetch any record and its relationships as a machine-readable graph.

Open data and APIs

Take this collection as data: the linked-data graph, bulk dataset dumps, OAI-PMH harvesting, the API reference, and more - all open, no key required.