Annual reports 1966/7, 1967/8; 1968/9, 1970/1, 1971/2, 1972/3, 1973/4, 1974/5, 1975/6, 1976/7, 1977/8, 1979/80, 1982/3; 1989/90 (with Accounts), 1990/1 (with Accounts); Accounts 1972/3, 1985/6, 1990/1.
Centre for Business Research, 1966/7, 1968/9; MBS R/D Research unit 1971/2., 1972/3.