Oherwydd gwaith cynnal a chadw hanfodol, ni fydd ein porth taliadau ar-lein ar gael rhwng 6.00am a 10.00am ddydd Sul 11 Rhagfyr 2022. Ymddiheurwn am unrhyw anghyfleustra y gall hyn ei achosi.
Due to essential maintenance our online payments portal will be unavailable between 06:00am and 10:00am on Sunday 11th December 2022. We apologise for any inconvenience this may cause.
This dataset contains information about our libraries.
Frequency of update: Updated January and July each year.
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