1772 Foundation
American Association for State and Local History
American Memory from the Library of Congress
BLM Government Land Office Records
Daughters of the American Revolution
Historic American Building Survey (HABS)
Historic American Engineering Record (HAER)
Historic American Landscape Survey (HALS)
National Alliance of Preservation Commissions
National Council on Public History
National Park Service, Heritage Preservation Services
National Park Services, Technical Preservation Services
National Preservation Institute
National Register of Historic Places
National Trust for Historic Preservation
Preservation Law Report
(National Trust)
Preservation Online - magazine of the National Trust
Preserve America
Save America's Treasures
Save Our History
The History Channel
The Military History Channel
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