1. Blackburn, Simon and Code, Alan: 1978, ?The power of Russell's criticism of Frege: ?On denoting?, pp. 48?50?, Analysis 37, pp. 65?77.
2. Geach, P.T.: 1959, ?Russell on meaning and denoting?, Analysis 19, pp. 69?72.
3. Geach, P.T.: 1978, ?Russell on denoting?, Analysis 37, pp. 204?205.
4. Russell, Bertrand: 1937, The Principles of Mathematics. George Allen & Unwin Ltd., London, (first ed. 1903).
5. Russell, Bertrand: 1956, ?On denoting? in Logic and Knowledge, ed. R.C. Marsh, George Allen and Unwin Ltd., London, (reprinted from Mind n.s. 14 (1905)).