Includes Clyde Cameron, Communist Party (Addresses, Branches, Dissolution Bill, Education, Elections, Factory Cells, Finance, Membership, Petitions, Policy, Rules and Constitution, and Voting), Congregational Church, Consumers' Protection League, Convention on War and Peace, Co-operative Press, Co-operative Printery, Co-operative Printing and Publishing Society Ltd, Councils, Council of Charitable Relief Organisations, Council of Churches SA, SA Council of Social Service, Courier Press, Current Book Distributors, Carnival for Peace and Friendship, Car Numbers (lists), Chamber of Commerce, Chamber of Manufactures, Christadelphians, Churches of Christ, Civilian Widows' Association, Combined Means Test Abolition Committee, Commonwealth Literary Fund, Common Cause, Council of Civil Liberties, Council of Civil Rights, and Country Women's Association.