National

• Agricultural Careers
• Agriculture Business to Business Resource Directory
• Agriculture Online
• American Farmland Trust
• Farm Service Agency
• Food Safety
• Natural Resources Conservation Service
• Rodale
• Sustainable Agriculture Research and Education
• The Agricultural Network Information Center 
• The Cooperative State Research, Education, and Extension Service
• United Stated Department of Agriculture General Information 
• United States House Committee on Agriculture 

• Agricultural Security Area  (ASA) law, Act 43
• Berks County Agricultural Land Preservation Board
• Commonwealth Agricultural Conservation Easement Program Regulations
• Lehigh County  
• Montgomery County 
• PA Bureau of Farmland Preservation
• PA Farm Bureau
• Penn State Extension
• Pennsylvania Association for Sustainable Agriculture
• Pennsylvania Department of Agriculture
• Pennsylvania Farmland Preservation Association
• Pennsylvania Land Trust Association 
• The Philly Chile Company Farm  

County/Local

• Agricultural Development Council
• Brandywine Conservancy
• Chester County 2020 Trust
• Chester County's Farm Interests
• Chester County Conservation District
• Chester County, Department of Assessment, Act 319
• Local Funding Initiatives
• Natural Lands Trust
• The American Mushroom Institute
• The French and Pickering  Creeks Conservation Trust

Business of Farming

• Chester County Economic Development Council

Education

• Agriculture in the Classroom
• Marketplace for the Mind
• Robyn Van En Center

Fairs and Festivals

• PA State  Association of County Fairs  Year 2004
• The  Mushroom Festival

• Marketplace for the Mind