Image Search Engines
AlltheWeb
AltaVista
Ask.com
Ditto
Picsearch
Yahoo!
Stock Sites
Corbis
Getty Images
Historic Photo Archive
North Wind Picture Archives
ProFotos.com
Public Domain
Organizations
American Society of Picture Professionals
229 Peachtree St. NE, Suite 22000, Atlanta, GA 30303, (800) 786-6277, <www.ppa.com>
US Copyright Office
101 Independence Ave. SE, Washington, DC 20559, (202) 707-3000, <copyright.gov>
From the May 2007 issue of Family Tree Magazine.