The Friends of the Armitt
- Works to support the library and encourage interest and research in the history of Ambleside, neighbouring parishes and the wider Lake District. Includes membership information.
- http://fp.armitt.plus.com/friends_of_the_armitt.htm

Friends of the Bodleian
- Encourages donations and provides an income for the purchase of manuscripts and printed books. Includes membership information. University of Oxford.
- http://www.bodley.ox.ac.uk/friends/

Friends of Cambridge University Library
- Aims of the society, membership benefits, and details of upcoming programs and events.
- http://www.lib.cam.ac.uk/Friends.html

Library Campaign
- Works to advance the lifelong education of the public by the promotion, support, assistance and improvement of libraries through the activities of friends and user groups. Includes campaigns, meeting information, a newsletter and local groups.
- http://www.librarycampaign.co.uk/

Friends of The British Library
- Supports acquisitions, exhibitions, new equipment and facilities. Includes membership information.
- http://www.bl.uk/supportus/friends.html