Papurau Pwyllgor Ymgyrch Ysgol Gynradd Gymraeg Penmaen-mawr,1964-1968, yn ymwneud â sefydlu ysgol feithrin Gymraeg a'r ymgyrch dros ysgol gynradd Gymraeg, yn cynnwys cofnodion,1964-1968, copi o'r cyfansoddiad, gohebiaeth gyffredinol,1964-1967, a gohebiaeth gyda'r awdurdod lleol, sefydliadau rhieni ac athrawon Cymru, ac Aelodau Seneddol, 1964-1967 = Papers of the Penmaenmawr Welsh Primary School Campaign Committee, 1964-1968, relating to the establishment of a Welsh nursery school and the campaign for a Welsh primary school, comprising minutes, 1964-1968, a copy of the constitution, general correspondence, 1964-1967, and correspondence with the local authority, Welsh parents' and teachers' organisations, and Members of Parliament, 1964-1967.

Correspondence, bills, and photographs of [the Trefor quarry], 1933-1960.