Acknowledgements
This Preservation Brief was written by Sarah M Sweetser, Architectural
Historian, Technical Preservation Services Division. Much of the
technical information was based upon an unpublished report prepared
under contract for this office by John G. and Diana S. Waite.
Some of the historical information was from Charles E. Peterson,
FAIA, "American Notes," Journal of the Society of Architectural
Historians. The illustrations for this brief not specifically
credited are from the files of the Technical Preservation Services
Division.
Washington, D.C. February, 1978
This publication has been prepared pursuant to the National
Historic Preservation Act of 1966, as amended, which directs the Secretary
of the Interior to develop and make available information concerning historic
properties. Technical Preservation Services (TPS), Heritage Preservation
Services Division, National Park Service prepares standards, guidelines,
and other educational materials on responsible historic preservation treatments
for a broad public.