1. 1973 Synoptic Climatology: Methods and Applications. Methuen: London.
2. An Intercomparison of Methods for Finding Coupled Patterns in Climate Data
3. 1975 The topography of empirical orthogonal functions [preprints, Fourth Conference on Probability and Statistics in Atmospheric Science]. American Meteorological Society: Tallahassee, FL. pp. 188-193.
4. 1979 On the physical interpretation of empirical orthogonal functions [preprints, Sixth Conference on Probability and Statistics in Atmospheric Science], Banff, Alberta. American Meteorological Society: Boston, Massachusetts. pp. 112-117.
5. 1952 Factor Analysis. Harper and Row: New York, NY.