BrainWave supports of the Guidelines established by the Secretary of the Interiors Guidelines for Historic Preservation:
NPS Preservation Briefs are a good resource for determining the best approach for preserving historic building fabric.
Information resources for planning a restoration or rehab project: The National Park Service recommends one of four approaches for a tax credit project. Preservation, Rehabilitation,Restoration or Reconstruction. NPS also offers the following information on Technical Preservation Services Guidelines. NPS offers these general examples for: