We would like to thank the following instituations for giving us permission to reproduce images from their collections:

National Library of Ireland
National Museum of Ireland
Marsh's Library
Trustees of the British Museum
British Library
National Museum of Scotland
Árni Magnússon Institute for Icelandic Studies
National Museum of Iceland
Getty Images
Ballyhoura Failte
Board of Trinity College Dublin
The National Gallery, London
Unviersity of Manchester

We would also like to thank all the contributors to Wikimedia Commons for making their images freely available to the public.