• American Planning Association (APA) 
  APA is a non-profit organization representing 30,000 practicing planners, officials, and citizens involved with urban and rural planning issues.

• American Planning Association - Planning and Law Division 

• Cyburbia 
  Contains a large directory of Internet resources relevant to planning, architecture, urbanism, growth and sprawl, and other topics related to the built environment.

• National Association of Home Builders 

• Planning Commissioners Journal - Planners Web 
  A good source for new Planning Commissioners or others interested in planning. Includes informative planning articles and reports.

• Urban Land Institute 
  An institute dedicated to nonpartisan research and education, as well as analyzing, and encouraging responsible patterns for long-term urban growth.

Transportation

• Federal Aviation Administration 

• Federal Highway Administration 

• Federal Transit Administration 

• Kansas Department of Transportation 

• U.S. Department of Transportation 

Historic Preservation

• Advisory Council on Historic Preservation 

• Historic Preservation Alliance of Wichita and Sedgwick County 

• Kansas State Historic Preservation Office 

• National Preservation Institute 

• National Register of Historic Places 

• National Trust for Historic Preservation 

• Save America's Treasures 

Other

• Center for Economic Development and Business Research 

• Environmental Protection Agency 

• Kansas Department of Commerce and Housing 

• Kansas Department of Health and Environment

• Planetizen- The Planning & Development Network 

• U.S. Census Bureau 

• U.S. Census Bureau - American Factfinder 

• U.S. Department of Housing and Urban Development