1. Bell PR (1981a) The combined solar and tidal influence on climate. In: Sofia SS (ed) Variations of the solar constant. National Aeronautics and Space Administration, Washington, pp 241–256
2. Bell PR (1981b) Predominant periods in the time series of drought area index for the western high plains AD 1700 to 1962. In: Sofia SS (ed) Variations of the solar constant. National Aeronautics and Space Administration, Washington, pp 257–264
3. Bollinger CJ (1945) The 22-year solar pattern of rainfall in Oklahoma and Kansas. Bull Am Meteorol Soc 26:376–383
4. Borchert J (1971) The Dust Bowl in the 1970s. Ann AAG 61:1–22
5. Burnette DJ (2009) Reconstruction of the eastern Kansas temperature and precipitation records into the mid-19th century using historical sources. Dissertation, University of Arkansas