The file is composed of electoral material and leaflets published by Plaid Cymru mainly during various general election campaigns between 1970 and 1992. Among them is a typescript copy of 'An Economic Plan for Wales' published by the party during 1970, and copies of 'Socialism and Nationalism in Wales' by Neil Evans, and 'Defeating Welsh Nationalism', November 1987, by Jon Vaughan Jones.

The file consists of correspondence, papers and memoranda, 1989-1990, relating to the evolution of a Rural Areas Policy for Wales.

The file contains memoranda, reports, circulars, conference papers, press releases, and the texts of speeches by Labour politicians concerning Labour Party policies in relation to Wales.