A matter of divergence: Tracking recent warming at hemispheric scales using tree ring data, Wilson, R.; D'Arrigo, R.; Buckley, B.; Buntgen, U.; Esper, J.; Frank, D.; Luckman, B.; Payette, S.; Vose, R.; Youngblut, D. , Journal of Geophysical Research-Atmospheres, Sep 11, Volume 112, Issue D17, p.-, (2007), Doi 10.1029/2006jd008318 Abstract

Adjustment for proxy number and coherence in a large-scale temperature reconstruction, Frank, D.; Esper, J.; Cook, E. R. , Geophysical Research Letters, Aug 29, Volume 34, Issue 16, p.-, (2007), Doi 10.1029/2007gl030571 Abstract

Extra-tropical Northern Hemisphere land temperature variability over the past 1000 years, Cook, E. R.; Esper, J.; D'Arrigo, R. D. , Quaternary Science Reviews, Nov, Volume 23, Issue 20-22, p.2063-2074, (2004), DOI 10.1016/j.quaascirev.2004.08.013 Abstract

Tests of the RCS method for preserving low-frequency variability in long tree-ring chronologies, Esper, J.; Cook, E. R.; Krusic, P. J.; Peters, K.; Schweingruber, F. H. , Tree-Ring Research, Volume 59, Issue 2, p.81-98, (2003) Abstract

Tree-ring chronologies and climate variability - Response, Cook, E. R.; Esper, J. , Science, May 3, Volume 296, Issue 5569, p.848-849, (2002)

Low-frequency signals in long tree-ring chronologies for reconstructing past temperature variability, Esper, J.; Cook, E. R.; Schweingruber, F. H. , Science, Mar 22, Volume 295, Issue 5563, p.2250-2253, (2002) Abstract