1. P. F. Drucker, Technology, Management & Society, (Pan Books, 1970), esp. p. 21". information is, above all, a principle of economy. The fewer data needed, the better the information. And an overload of information, that is, anything much beyond what is truly needed, leads to a complete information blackout. It does not enrich, but impoverishes." The bulk of railway histories, in presenting unsorted fact, provide an overload of information, and as a consequence, impoverish the mind.
2. Ibid, p. 6.
3. J. Johnson and R. A. Long, British Railways Engineering 1948–80, (Mech. Eng. Publ. Ltd, London, 1981), P–24.