The 52nd Battalion – West Riding Home Guard [Wakefield] was one of the WWII raised battalions of the King’s Own Yorkshire Light Infantry [ KOYLI] and there may be some records in the Regimental archive in Pontefract, I suggest you email them. See
http://www.doncaster.gov.uk/leisure_in_doncaster/museums_and... If they can’t help the National Archives may have something in the Home Guard records see
http://www.nationalarchives.gov.uk/catalogue/RdLeaflet.asp?s... His Home Guard service record is still with the MoD Army but you can get a copy see
http://www.veterans-uk.info/ > service records > scroll down and click on army icon.