Local
Tulsa Foundation for Architecture
Historic Greenwood District Main Street
State
Oklahoma State Historic Preservation Office (SHPO)
National Park Service
National Register of Historic Places
Cultural Resource Management Magazine
Technical Preservation Services
Secretary of the Interior’s Standards for the Treatment of Historic Properties
National Trust for Historic Preservation
National Trust for Historic Preservation
America’s 11 Most Endangered Historic Places
Recent Past
Modern Architecture in Oklahoma
Recent Past Preservation Network