S. L.  Voelker, Stambaugh, M. C., Guyette, R. P., Feng, X., Grimley, D. A., Leavitt, S. W., Panyushkina, I. P., Grimm, E. C., Marsicek, J. P., Shuman, B., and Curry, B. B., ?Deglacial hydroclimate for Midcontinental North America.?, Quaternary Research , vol. 83, no. 2, 2015.

J. C.  Tardif, Conciatori, F., and Leavitt, S. W., ?Tree rings, ?13C and climate in Picea glauca growing near Churchill, subarctic Manitoba, Canada.  ?, Chemical Geology, vol. 252, pp. 1212?1222, 2008.

S. W.  Leavitt, Panyushkina, I. P., Lange, T., Cheng, L., Schneider, A. F., and Hughes, J., ?Radiocarbon ?wiggles? in Great Lakes wood ca. 10,000 to 12,000 BP?, Radiocarbon, vol. 49, no. 2, 2007.

S. W.  Leavitt, Panyushkina, I. P., Lange, T., Wiedenhoeft, A., Cheng, L., and Hunter, R. D., ?Climate in the Great Lakes region between 14,000 and 4,000 years ago from isotopic composition of conifer wood?, Radiocarbon, vol. 48, no. 2, 2006.

I. P.  Panyushkina, Leavitt, S. W., Wiedenhoeft, A., Noggle, S., Curry, B., and Grimm, E., ?Tree-ring records of near-Younger Dryas time in Central North America- preliminary results from the Lincoln quarry site, central Illinois, USA?, Radiocarbon, vol. 46, no. 2, 2004.