Political correspondence and papers accumulated by Godfrey Lee, 1968-1989, relating to Plaid Cymru activities in Newport, 1968-1978, Plaid Cymru's Montgomeryshire branch, 1977-1988, and Welshpool branch, 1978-1989; the work of Gwent Regional Council [of Plaid Cymru], 1969-1977; together with Plaid Cymru Conference Programmes, 1969-1988; and literature concerning the Merthyr Tydfil by-election, 1972 and publications.