1Bertrand Russell, The Problems of Philosophy, Oxford University Press, 1912, p. 44.
2Bertrand Russell, Mysticism and Logic, George Allen & Unwin Ltd, 1917, p. 152.
3Bertrand Russell, The Problems of Philosophy, p. 46.
4Bertrand Russell, The Problems of Philosophy, p. 51.
5Bertrand Russell, The Problems of Philosophy, p. 52.
6Bertrand Russell, The Problems of Philosophy, p. 53.
7Bertrand Russell, The Problems of Philosophy, p. 58.
8Bertrand Russell, The Problems of Philosophy, p. 55 -6.
9Bertrand Russell, The Problems of Philosophy, p. 59.
10Dale Cannon, "Construing Polanyi's Tacit Knowing as Knowing by Acquaintance Rather than Knowing by Representation : Some Implications", Tradition and Discovery, Vol. 29, No. 2, 2002 - 3, pp. 41 - 2.