1. (1) Samuel B. Solot: Computation of Depth of Precipitable Water in a Column of Air, M. W: R., 67 100-103, 1939.
2. (2) A. L. Shands: Mean Precipitable water in the United States, U. S. Weather Bureau Technical Paper, No.10, 1949.
3. (3) Tables of Precipitable Water and Other Factors for a Saturated Pseudo-Adiabatic Atmosphere, U. S. Weather Bureau Technical Paper, No.14, 1951.
4. (7) Generalized Estimates of Maximum Possible Precipitation over the United States East of the 105 th Meridian, U. S. Weather Bureau Hydrometeorological Report No.23 (1947)