General papers and correspondence from NK's local constituency party, and correspondence with individual constituents. NK became MP for the constituency of Bedwellty, Monmouthshire [Wales] in 1970, then when the constituency was abolished in 1983 became MP for the new seat of Islwyn, Gwent (including the towns of Blackwood, Risca, Oakdale, Pontllanfraith, and Newbridge) until he retired from Parliament in 1995.