Wayne Stollings wrote:
No, that is not the case since other proxy systems have reached similar conclusions. We will, of course, call you on the hypocrisy of trying to use this study for any data reference given the ranting over tree ring studies.
No, many other proxy reconstructions have come to the conclusion that there was a MWP, and it was as warm or warmer than the present.Kobashi et. al 2010Rolland et. al 2009Mangini et. al 2005Tyson et. al 2000
The reconstructions used, in order from oldest to most recent publication are:
(dark blue 1000-1991): The Holocene.
(blue 1000-1980): Geophysical Research Letters.
(light blue 1000-1965): Ambio. Modified as published in Science.
(lightest blue 1402-1960): J. Geophys. Res..
(light green 831-1992): Science.
(yellow 200-1980): Geophysical Research Letters. doi:10.1029/2003GL017814.
(orange 200-1995): Reviews of Geophysics. doi:10.1029/2003RG000143
(red-orange 1500-1980): Geophys. Res Lett.. doi:10.1029/2004GL019781
(red 1-1979): Nature. doi:10.1038/nature03265
(dark red 1600-1990): Science. doi:10.1126/science.1107046
(black 1856-2004): Instrumental data was jointly compiled by the Climatic Research Unit and the UK Meteorological Office Hadley Centre. Global Annual Average data set TaveGL2v  was used.