1. A.G. Thoday, Barometers, Science Museum booklet, Her Majesty's Stationary Office, London, 1978, obtainable in US from Pendragon House Inc.
2. N. Shaw, Manual of Meteorology, Vol. 1, Meteorology in History, Cambridge University Press, Cambridge, 1926.
3. On the structure of moving cyclones;Bjerknes;Geofys. Publ.,1919
4. Weather Prediction by Numerical Process;Richardson,1922
5. A retrospective view of Richardson's book on weather prediction;Platzman;Bull. Am. Meteorol. Soc.,1967