American Center for Design, www.ac4d.org
American Congress on Surveying and Mapping, www.acsm.net
American Council of Engineering Companies, www.acec.org
American Institute of Architects, www.aia.org
American Institute of Certified Planners, www.planning.org
American Planning Association, www.planning.org
American Society of Civil Engineers, www.asce.org
American Society of Mechanical Engineers, www.asme.org
Americans for the Arts; www.americansforthearts.org
Council on Educators in Landscape Architecture, www.ssc.msu.edu/%7Ela/cela/
Council of Landscape Architectural Registration Boards, www.clarb.org
Design-Build Institute of America, www.dbia.org
Environmental Design Research Association, www.telepath.com/edra
Institute of Transportation Engineers; www.ite.org
National Recreation and Park Association, www.nrpa.org
National Society of Professional Engineers, www.nspe.org
Landscape Architecture Virtual Library, www.cir.toronto.edu:1080/virtuallib/larch.html
Landscape Library; www.landscapelibrary.com
Mayor's Institute on City Design, www.arts.endow.gov/partner/mayors2.html
National Governor's Association (NGA) Center for Best Practices, www.nga.org
Pew Center on the States, http://www1.stateline.org/index.do
National Association of Counties, www.naco.org
National Conference of State Legislatures, www.ncsl.org
National League of Cities, www.nlc.org
US Conference of Mayors, www.mayors.org
National Association of Realtors; www.nar.realtor.com