Copac is a freely available library catalogue, giving access to the merged online catalogues of many major UK and Irish academic and National libraries, as well as increasing numbers of specialist libraries.
Copac has c.32 million records, representing the merged holdings of:
- members of the Research Libraries UK (RLUK). This includes the catalogues of the British Library, the National Library of Scotland, and the National Library of Wales / Llyfrgell Genedlaethol Cymru.
- increasing numbers of specialist libraries with collections of national research interest, as well as records for specialist collections held in UK academic libraries.