One of the most magnificent manuscripts of the Dark Ages, the Lindisfarne Gospels was written and decorated in the eighth century on a small island off the eastern coast of northern England. You can view 40 selected pages at this British Library site. Scroll down to "Lindisfarne Gospels."
Additional information on the Lindisfarne Gospels can be found here.
NOTE: In October, 2023, the British Library's website experienced a cyberattack. "The journey to full recovery will be a long one," said Roll Keating, chief executive of the British Library, and these links will not work until then.