- The Alliance for Historic Landscape Preservation (AHLP)
Annual Meeting
- American Farmland Trust
Biennial Conference
- American Planning Association (APA)
Annual Conference
- American Public Gardens Association (APGA)
Annual Conference
- American Society of Landscape Architects (ASLA)
Annual Meeting
- International Downtown Association (IDA)
World Congress and Annual Conference
- International Making Cities Livable
Conference
- Land Trust Alliance (LTA)
Annual Conference
- National Park Service (NPS)
Olmsted Center for Landscape Preservation
- National Trust for Historic Preservation (NTHP)
Preservation Leadership Forum: Issues in Preservation
- New Partners for Smart Growth Conference
Annual Conference
- Public Lands Alliance (formerly Association of Partners for Public Lands)
Annual Convention
- Society for American City and Regional Planning History (SACRPH)
Biennial Conference
- Strategies for Protecting Archeological Sites on Private Lands
Colorado Historical Society, Office of Archeology and Historic Preservation, Publication #1617
- The Waterfront Center
Annual Conference