This collection comprises material collected by Somerville relating to individuals and organisations active in the pacifist movement in Australia in 1940-1974. There are circulars, pamphlets and newsletters printed by organisations such as the Christian Pacifist Movement of Victoria, the Central Committee of Conscientious Objectors, the Association for International Co-operation and Disarmament (NSW) and the Peace News Limited. Correspondence between Somerville and significant Australians like H. V. Evatt related to conscientious objectors such as Leslie Warren Hoey, Lloyd Butler and Bill Tarry.