1. Bradley, R.S., Kelly, P.M., Jones, P.D., Diaz, H.F. and Goodess, C., 1985. A Climatic Data Bank for the Northern Hemisphere Land Areas 1851–1980, DOE Technical Report No. TR017, U.S. Dept. Energy Carbon Dioxide Research Division, Washington, D.C. 335 pp.
2. Jones, P.D., Raper, S.C.B., Bradley, R.S., Diaz, H.F., Kelly, P.M. and Wigley, T.M.L., 1985. Northern Hemisphere Surface Air Temperature Variations 1851–1984, Journal of Climate and Applied Meteorology (in press).
3. Jones, P.D., Raper, S.C.B., Santer, B., Cherry, B.S.G., Goodess, C., Kelly, P.M., Wigley, T.M.L., Bradley, R.S. and Diaz, H.F., 1985. A Grid Point Surface Air Temperature Data Set for the Northern Hemisphere, DOE Technical Report No. TR022, U.S. Dept. Energy Carbon Dioxide Research Division, Washington, D.C. 251 pp.
4. Simkin, T., Siebert, L., McClelland, L., Bridge, D., Newhall, C. and Latter, J.H., 1981. Smithsonian Institution - Volcanoes of the World: A Regional Directory, Gazetteer and Chronology of Volcanism During the Last 10,000 Years, Hutchinson Ross Publishing Co., Stroudsburg, Pa., 232 pp.