Here are a few level I studies....
Venezuela - Goni, M.A., Woodworth, M.P., Aceves, H.L., Thunell, R.C., Tappa, E., Black, D., Muller-Karger, F., Astor, Y. and Varela, R. 2004. Generation, transport, and preservation of the alkenone-based U37K' sea surface temperature index in the water column and sediments of the Cariaco Basin (Venezuela). Global Biogeochemical Cycles 18: 10.1029/2003GB002132.
Chile -Sepulveda, J., Pantoja, S., Hughen, K.A., Bertrand, S., Figueroa, D., Leon, T., Drenzek, N.J. and Lange, C. 2009. Late Holocene sea-surface temperature and precipitation variability in northern Patagonia, Chile (Jacaf Fjord, 44°S). Quaternary Research 72: 400-409.
Peru - Rein B., Lückge, A., Reinhardt, L., Sirocko, F., Wolf, A. and Dullo, W.-C. 2005. El Niño variability off Peru during the last 20,000 years. Paleoceanography 20: 10.1029/2004PA001099.
Southern South America - Neukom, R., Luterbacher, J., Villalba, R., Kuttel, M., Frank, D., Jones, P.D., Grosjean, M., Wanner, H., Aravena, J.-C., Black, D.E., Christie, D.A., D'Arrigo, R., Lara, A., Morales, M., Soliz-Gamboa, C., Srur, A., Urritia, R. and von Gunten, L. 2011. Multiproxy summer and winter surface air temperature field reconstructions for southern South America covering the past centuries. Climate Dynamics 37: 35-51.
China - Zicheng, P., Xuexian, H., Xiaozhong, L., Jianfeng, H., Guijian, L. and Baofu, N. 2003. Thermal ionization mass spectrometry (TIMS)-U-series ages of corals from the South China Sea and Holocene high sea level. Chinese Journal of Geochemistry 22: 133-139.
Japan - Isono, D., Yamamoto, M., Irino, T., Oba, T., Murayama, M., Nakamura, T. and Kawahata, H. 2009. The 1500-year climate oscillation in the midlatitude North Pacific during the Holocene. Geology 37: 591-594.
Japan - Kitagawa, H. and Matsumoto, E. 1995. Climatic implications of δ13C variations in a Japanese cedar (Cryptomeria japonica) during the last two millennia. Geophysical Research Letters 22: 2155-2158.
New Zealand - Wilson, A.T., Hendy, C.H. and Reynolds, C.P. 1979. Short-term climate change and New Zealand temperatures during the last millennium. Nature 279: 315-317.
Antarctica - Noon, P.E., Leng, M.J. and Jones, V.J. 2003. Oxygen-isotope (δ18O) evidence of Holocene hydrological changes at Signy Island, maritime Antarctica. The Holocene 13: 251-263.
Africa - Holmgren, K., Tyson, P.D., Moberg, A. and Svanered, O. 2001. A preliminary 3000-year regional temperature reconstruction for South Africa. South African Journal of Science 97: 49-51.
Africa - Tierney, J.E., Mayes, M.T., Meyer, N., Johnson, C., Swarzenski, P.W., Cohen, A.S. and Russell, J.M. 2010. Late-twentieth-century warming in Lake Tanganyika unprecedented since AD 500. Nature Geoscience 3: 422-425.
As I said, these are all level I studies...the list could continue and grow even larger with level II and level III studies....the evidence that the MWP was warmer than the present and global is overwhelming...it makes anyone who believes the hockey stick look like an idiot.