See Hamlyn, D.W., 'Objectivity' in Education and the Development of Reason (eds.) Dearden R.F., Hirst P.H. and Peters R.S. ( RKP1972) and Trigg R.Reason and Commitment (CUP, 1973).
2.
Quinton A., 'Social Objects' Presidential Address, Proceedings of the Aristotelian Society 1975-6.
3.
Hirst P.H., 'Towards a Logic of Curriculum Development' in The Curriculum: Research, Innovation and Change (eds) Taylor P.H. and Walton J. ( Ward Lock Educational, London, 1973 )