Includes documentation relating to Clarke's political activism following the Easter Rising and execution of her husband Tom, her subsequent imprisonment in Holloway Jail during the War of Independence, opposition to the Anglo Irish Treaty, American tour and involvement in various republican organisations such as Cumann na mBan, the Irish Volunteer Dependents Fund, Sinn Féin and Fianna Faíl. Correspondents include Austin Stack, Eamon de Valera, Margaret Pearse, and Clarke's sister Madge Daly.