Two volumes of newspaper clippings from 1918 - 1930 concerning the Tunnel Road, added to the New Zealand Collection, Canterbury Public Library 21 April 1975. Possibly compiled by a A.N. Davis. One volume of newspaper clippings from 1928 - 1929 concerning the Tunnel Road, added to the New Zealand Collection, Canterbury Public Library 7 March 1969. Port of Christchurch Canal League. The Port of Christchurch proposition, by Charles D. Matson 1931. Report of Proceedings of Tunnel Road Conference Christchurch, 29th April 1937. Tunnel Road Bulletin 1 July 1929 - Papers of F.W. Freeman 1928-37 The Port and City Committee report: Direct Access to the Sea 14 May 1928 - Papers of F.W. Freeman 1928-37 Report of Direct Access to the Sea Commissioners July 1930.