Records relating to parliamentary elections for the county of Brecon, Brecknockshire, 1874-1880, apparently emanating from the Conservative Party organisation in the Crickhowell and Tal-y-bont Polling Districts.

Over four thousand files of constituency correspondence, 1979-1985, from individual correspondents or organizations; and subject files relating to the House of Commons 1979-1985, housing, 1980-1985; transport (including the Central Wales Line), 1982-1984; Squatters, 1983; Rate Support Grant, 1983-1984; Warnock Report on education, 1985; and miscellaneous correspondence and papers, 1980-1985.