This catalogue is the key to details about our library resources. You can search for any resource in our five libraries: Bangor, Caernarfon, Holyhead, Llangefni and Parc Menai, and for useful web resources too.

1. If you know the item you're looking for, type the author and title in these boxes.
2. Otherwise type what you are looking for into the keyword box.
3. Choose where you want to search from the list of Library Sites.
4. Click the Search button.

Cliciwch yma am fersiwn Cymraeg