Nelson, Robert (5 May 1971). "London Daily Mail goes compact". The Christian Science Monitor. Boston, Massachusetts. Archived from the original on 18 June 2012. Retrieved 24 January 2011.
Nelson, Robert (5 May 1971). "London Daily Mail goes compact". The Christian Science Monitor. Boston, Massachusetts. Archived from the original on 18 June 2012. Retrieved 24 January 2011.