These cons are copied over from Haiku's source tree at haiku/data/artwork/icons/File_RSS_Feed haiku/data/artwork/icons/Server_NewsFeed As far as I can tell, they aren't included in base installs. We just use them as the mimetype icons for application/x-feed-source and text/x-feed-entry. They're under the MIT license, as per haiku/data/artwork/ReadMe