Terms: Ancestry Dot Com (240),
Boolean: site:ancestry.com (5150000), site:genealogy.com (17400000), site:rootsweb.org (116), site:ancestryinc.com (1), site:rootsweb.com (23100000),
Boolean: site:familysearch.com (99200),
Terms: genealogy (98100000), genealogy sites (1620000), geneology research (63700),
http://www.familytreeguide.com/
http://www.tsl.state.tx.us/arc/genfirst.htm