Records of the Cardiff Bay Opera House Trust (and its predecessor Opera House Steering Committee), mainly committee and publicity material, 1991-1997; papers relating to the architects competition, 1994-1996; proposed Opera House building design and surveyors' correspondence, 1994-1995; administrative correspondence, 1994-1996; funding applications, 1995-1996; financial papers, 1993-1995; and public relations (press cuttings), 1994-1996.