[1] Mann, M.E., et al. (2009) Global Signatures and Dynamical Origins of the Little Ice Age and Medieval Climate Anomaly. Science, 326, 1256-1260.
[2] Mann, M.E., Bradley, R.S. and Huges, M.K. (1998) Global-Scale Temperature Patterns and Climate Forcing over the Past Six Centuries. Nature, 392, 779-787.
http://dx.doi.org/10.1038/33859
[3] Mann, et al. (2008) Proxy-Based Reconstructions of Hemispheric and Global Surface Temperature Variations over the Past Two Millennia. PNAS, 105, 13252-13257.
http://dx.doi.org/10.1073/pnas.0805721105
[4] Jones, P.D., Osborn, T.J. and Brifa, K.R. (2001) The Evolution of Climate over the Last Millennium. Science, Paleoclimate Review, 292, 662-667.
[5] Briffa, K.R., et al. (1998) Influence of Volcanic Eruptions on Northern Hemisphere Summer Temperature over the Past 600 Years. Nature, 393, 450-455.
http://dx.doi.org/10.1038/30943
[6] Briffa, K.R., et al. (2008) Trends in Recent Temperature and Radial Tree Growth Spanning 2000 Years across Northwest Eurasia. Philosophical Transactions of the Royal Society B, 363, 2271-2284.
http://dx.doi.org/10.1098/rstb.2007.2199
[7] Cobb, et al. (2003) El Nino/Southern Oscillation and Tropical Pacific Climate during the Last Millennium. Nature, 424, 271-276.
http://dx.doi.org/10.1038/nature01779
[8] Mann, M.E. and Jones, P.D. (2003) Global Surface Temperatures over the Past Two Millennia. Geophysical Research Letters, 30, 1820-1824.
http://dx.doi.org/10.1029/2003GL017814
[9] Luterbacher, et al. (2004) European Seasonal and Annual Temperature Variability, Trends, and Extremes since 1500. Science, 303, 1499-1503.
http://dx.doi.org/10.1126/science.1093877
[10] Trouet, V., et al. (2009) Persistent Positive North Atlantic Oscillation Mode Dominated the Medieval Climate Anomaly. Science, 324, 78-80.
http://dx.doi.org/10.1126/science.1166349
[11] Neukom, R., et al. (2010) Multiproxy Summer and Winter Surface Air Temperature Field Reconstructions for Southern South America Covering the Past Centuries. Climate Dynamics, 37, 35-51.
http://dx.doi.org/10.1007/s00382-010-0793-3
[12] Neukom, R. and Gergis, J. (2012) Southern Hemisphere High-Resolution Palaeoclimate Records of the Last 2000 Years; Southern Hemisphere High Resolution Palaeoclimate Records of the Past 2000 Years. The Holocene, 5, 501-524.
http://dx.doi.org/10.1177/0959683611427335
[13] Neukom, R. and Luterbacher, J. (2011) Climate Variability in the Southern Hemisphere. Global Change, 76, 26-29.
[14] Smerdon, J.E., et al. (2011) Spatial Performance of Four Climate Field Reconstruction Methods Targeting the Common Era. Geophysical Research Letters, 38, Article ID: L11705.
http://dx.doi.org/10.1029/2011GL047372
[15] Bauer, E., Claussen, M., Brovkin, V. and Huenerbein, A. (2003) Assessing Climate Forcings of the Earth System for the Past Millennium. Geophysical Research Letters, 30, 1276-1284.
http://dx.doi.org/10.1029/2002GL016639
[16] Intergovernmental Panel on Climate Change (IPCC) (2007) Climate Change. Cambridge.
[17] Luterbacher, et al. (2011) Reconstructed and Simulated Medieval Climate Anomaly in Southern South America. PAGES News, 19, 20-21.
[18] Schmidt, G.A., et al. (2006) Present-Day Atmospheric Simulations Using GISS Model E: Comparison to in Situ, Satellite, and Reanalysis Data. Journal of Climate, 19, 153-192.
http://dx.doi.org/10.1175/JCLI3612.1
[19] Sun, S. and Bleck, R. (2006) Multi-Century Simulations with the Coupled GISS-HYCOM Climate Model: Control Experiments. Climate Dynamics, 26, 407-428.
http://dx.doi.org/10.1007/s00382-005-0091-7
[20] Shindell, D.T., et al. (2006) Simulations of Preindustrial, Present-Day, and 2100 Conditions in the NASA GISS Composition and Climate Model G-PUCCINI. Atmospheric Chemistry and Physics, 6, 4427-4459.
http://dx.doi.org/10.5194/acp-6-4427-2006
[21] Shindell, D.T., et al. (2006) Solar and Anthropogenic Forcing of Tropical Hydrology. Geophysical Research Letters, 33, Article ID: L24706.
http://dx.doi.org/10.1029/2006GL027468
[22] Schmidt, G.A., Hoffmann, G., Shindell, D.T. and Hu, Y. (2005) Modeling Atmospheric Stable Water Isotopes and the Potential for Constraining Cloud Processes and Stratosphere-Troposphere Water Exchange. Journal of Geophysical Research, 110, Article ID: 021314.
http://dx.doi.org/10.1029/2005JD005790
[23] Lean, J.L., Wang, Y.-M. and Sheeley Jr., N.R. (2002) The Effect of Increasing Solar Activity on the Sun’s Total and Open Magnetic Flux during Multiple Cycles: Implications for Solar Forcing of Climate. Geophysical Research Letters, 29, 77-1-77-2.
[24] Bard, E., Raisbeck, G., Yiou, F. and Jouzel, J. (2007) Comment on “Solar Activity during the Last 1000 yr Inferred from Radionuclide Records” by Muscheler et al. (2007). Quaternary Science Reviews, 26, 2301-2304.
http://dx.doi.org/10.1016/j.quascirev.2007.06.002
[25] Beckman, J.E. and Mahoney, T.J. (1998) The Maunder Minimum and Climate Change: Have Historical Records Aided Current Research? ASP Conference Series, 153, 212-217.