Yesterday, Flickr announced that the UK National Archives are adding some of their collection to the Commons site. The collection contains photos, illustrations and documents all released copyright-free. Here's a few examples from the collection to whet your appetite: http://www.flickr.com/photos/nationalarchives/3507410878/in/set-72157608416657334/ http://www.flickr.com/photos/nationalarchives/3010671424/in/set-72157608416657334/ http://www.flickr.com/photos/nationalarchives/4327205241/in/set-72157608619480138/ http://www.flickr.com/photos/nationalarchives/3595079592/in/set-72157608732674049/ Hat tip to Billy at Universities and the Web.