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U.S. Department of the Interior, National Park Service-Preservation Brief #8 (Aluminum and Vinyl Sidings on Historic Buildings) http://www2.cr.nps.gov/tps/briefs/presbhom.htm

 

U.S. Department of the Interior, National Park Service-Preservation Brief #16 (The Use of Subsitute Materials on Historic Building Exteriors) http://www2.cr.nps.gov/tps/briefs/presbhom.htm

 

National Park Service, Illustrated Guide to the Secretary of the Interior's Standards for Rehabilitation http://www.cr.nps.gov/hps/tps/tax/rhb/  (Also available from the National Trust Main Street Center at www.mainstreet.org)