1. Aristotle, in Nicomachean Ethics, ed. by R. Crisp (Cambridge University Press, Cambridge, 2000)
2. D.I. Blockley, The Nature of Structural Design and Safety (Ellis Horwood, Chichester, 1980)
3. D.I. Blockley, Phil’s eight maxims. Struct. Eng. 59A(9), 292–294 (1981)
4. D.I. Blockley, Engineering from reflective practice. Res. Eng. Des. 4, 13–22 (1992)
5. D.I. Blockley, Bridges: The Science and Art of the World’s Most Inspiring Structures (Oxford University Press, Oxford, 2010a)