1. Blake, W. (1982), “Mock On, Mock On, Voltaire Rousseau”, in D. V. Erdman (ed.), The Complete Poetry and Prose of William Blake, Garden City, NY: Anchor Books, 477–478.
2. Donne, J. (1965), “To his Mistris Going to Bed”, in H. Gardner (ed.), The Elegies and The Songs and Sonnets, Oxford: Clarendon Press, 14–16.
3. The Complete Poems and Plays 1909–1950.;T.S. Eliot,1980
4. Gombrich, E. H. (2000), “Concerning ‘The Science of Art’”, Journal of Consciousness Studies 7, 8/9: 17.
5. Helmholtz, H. (1995), “On the Relation of Optics to Painting”, in D. Cahan (ed.), Science and Culture: Popular and Philosophical Essays, Chicago, IL: University of Chicago Press, 279–308.