The Anarchist Black Cross Federation of north America has been committed to supporting Bill for many years now as well. Here is a trifold flyer they put together for letter writing nights or to generally raise awareness about Bill, his case and his plight.
Other groups that have committed to supporting Bill over the years
The Jericho Movement has been supporting Bill ever since their organization was formed in 1998, here is the page on Bill on their site.
4strugglemag is a great magazine that gives voice to political prisoners and politicized prisoners as well. Bill has written some lengthy pieces over the years that they have published. Here is everything they’ve published by Bill Dunne – long and short.