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We have over 6 million books, over 40,000 manuscripts, over 1.5 million maps and much, much more. We are a Legal Deposit Library, which means we have a right to a copy of each book published in Britain. Our main collection area is items relating to Wales and the Celtic countries, but our collections aren't confined to this.

Search the Collections

You must use one of these catalogues to order items to view in the Reading Room. Remember that you must join the Library before you can order material. You'll find more information on how to join on our Reader's Ticket page.

Search our collections

Digital Exhibitions

Our digital exhibitions introduce a wide selection of items from our collections.

Come with us to the world of the Mabinogion in the White Book of Rhydderch, or venture down to the beach on a moonlight night to meet a smuggler. Travel with David Lloyd George to Versailles during the First World War or marvel at some of Wales' earliest photographs. The story of Wales is waiting for you.

Discover our digital exhibitions

Using the Reading Room

Anyone over 16 can register to use our Reading Rooms.

  • You must register as a reader to gain access to our Reading Room
  • You need to show 2 forms of identification (one including your current address) to get a full reader's ticket

You can only order items to view in the Reading Room on the Main Catalogue and NLW Archive and Manuscripts.

Register and use the Reading Room