Series contains files compiled by subject and relating to Chris Mullin's campaigning and work in parliament whilst an MP. Includes material realting to MPs expenses and pay, criminal justice, farm animal welfare, the Labour Party, the All Party Parliamentary Group on Extraordinary Rendition, Tony Benn, media and broadcasting, Kosovo, Israel and Gaza, Afghanistan, Iraq, Caribbean Death Penalty Project, Cambodia, and the environment. Also includes audio and video recordings of Mullin in the House of Commons, and texts of speeches given by him in various locations.

Please note that material relating to his miscarriages of justice campaigning work can be found under a separate series[U DMU/5]. Also, papers relating to his local political career (elections, selections and re-selections for various constituencies) can be found under a separate series [U DMU/7].