City of St. Louis
- City Landmark List
- City of St. Louis Development Projects
- Cultural Resources Office
- Geo St. Louis
- Local Historic Districts
- National Register Listings, St. Louis City
- Planning and Urban Design Agency
- City of St. Louis Preservation Board Agenda Page
St. Louis Planning and Urban Design Agency – Cultural Resources Office Areas of Review
- Downloadable City Map of All Areas of Cultural Resources Office Review
- Downloadable City Map with Local Districts and Landmarks
- Interactive Map of Local Districts and Landmarks
St. Louis History and Architecture
- Built St. Louis
- Chatillon-DeMenil House
- Compton and Dry’s Pictorial St. Louis (1875)
- Preservation Research Office
- History of St. Louis Neighborhoods
- Mid-Century Modern St. Louis
- Missouri Historical Society Library and Research Center
- St. Louis Bridges
- National Building Arts Center
- St. Louis Globe-Democrat Collection
- St. Louis Public Library History and Genealogy
- St. Louis Streets Index
- Society of Architectural Historians, St. Louis Chapter
- Vanishing STL
- Western Historical Manuscript Collection
St. Louis Region
- American Institute of Architects – St. Louis Chapter
- Citizens for Modern Transit
- Great Rivers Greenway
- RISE Community Development
- St. Louis County Historic Buildings Commission
- St. Louis County Library – History and Genealogy Resources
- Trailnet
- US Green Building Council
- Urban Review
Missouri
- Missouri Preservation
- Missouri State Historic Preservation Office
- National Register Listings in Missouri
- Sanborn Fire Insurance Maps
- Scenic Missouri
- State Historic Rehabilitation Tax Credit
- Missouri Digital Heritage Initiative
Illinois
- Illinois Historic Preservation Agency
- Labor and Industry Museum
- Landmarks Illinois
- Mesker Storefront Project
National
- Historic American Buildings Survey
- National Register of Historic Places
- Secretary of the Interior’s Standards for Historic Rehabilitation