Printed items, typescripts, press cuttings, and some letters, 1963-1994, on the Welsh language. They include material on the 1963 Report of the Council for Wales and Monmouthshire, teaching through the medium of the Welsh language in the University of Wales, parliamentary debates on the status of the Welsh language, broadcasting, bilingual road signs, the use of the Welsh language in the law courts, the Welsh language and the education system, the 1971 Census, publishing in the Welsh language, and Welsh language television.