- Joseph Jenkins is the author of The Slate Roof Bible and Founder and Executive Director for The Slate Roofing Contractors Association.
- ChimneyPot.com is the world's largest distributor of chimney pots with over 1,300 new, antique & custom chimney pots in stock. Chimney pot photo gallery and installation instructions online.
- Partners For Sacred Places is a group dedicated to preserving religious structures. Visit them for information on restoration and maintenance as well as fundraising assistance.
- The National Park Service has published a number of Preservation Briefs to help restore, preserve and renovate historic buildings. Brief No. 29 discusses
slate roofing and Brief No. 30 describes clay tile roofing.
- Save historic schools! The Ohio Historical Society has published resources on the preservation and rehabilitation of historic school buildings.
- The National Register of Historic Places for Ohio is available online. You can findOhio's historic places here.
- German Village Society Columbus, Ohio
- Olde Towne East Neighborhood Association, Columbus, Ohio
- Victorian Preservation Association of the Santa Clara Valley, California
- Italian Village Society, Columbus, Ohio
- Vieux Carre Property Owners, Residents, and Associates, Inc., New Orleans,
- Preservation Resource Center of New Orleans
- Cincinnati Preservation Association
- Cleveland Restoration Society
- Ohio Historical Society
- National Trust for Historic Preservation
- Florida Trust for Historic Preservation