not only do i think it's appropriate, i think it's worthy too...
http://www.ptn.org preservation trades network is an educational organiazation that sponsors national--and, as of this year, international--workshop where members demonstrate their particilar historic/restoration/preservation skills...
http://www.historicnewengland.org formerly spnea--the society to preserve new england antiquities--it is the oldest historic society in the country and owns and maintains many historic buildings throughout new england...
http://www.nationaltrust.org national trust for historic preservation...the country's preeminent preservation organization