Presentation Links

Images

• AutoDraw
• Library of Congress
• Library of Congress: Free to use/public domain
• Library of Congress: Historic American Engineering Record
• National Park Service: Heritage Documentation Programs
• National Map
• Iowa Geographic Map Server
• AIGA symbols and icons (free use)
• Unicode characters
• Amp-What (Unicode and other character search)
• ISO safety signs
• Internet Archive: Images

Data Sources

• Census Bureau: American Fact Finder
• Census Bureau: Community facts
• CIA World Factbook
• FRED
• Iowa Data Center
• OECD data
• PubChem (chemicals, hazards, etc.)
• World Bank
• National Historical Geography Information System