• Switchboard, BigBook, BigYellow
• MapQuest, U.S. Census Bureau, OSSHE Historic Atlas Resource Library
• Ask.com, Snap
• United States Postal Service, ZIP codes, States, IRS
• UPS, Fedex
• Snopes
• zillow.com
• Zipingo
• Flip camera

Please send comments and corrections to Harvey Gould, hgould@guessu.edu.