Search Tools

Top Search Engines and Directories: Family Genealogy and History Internet Education Directory
http://www.academic-genealogy.com/index.htm

Wikipedia List of Search Engines
http://en.wikipedia.org/wiki/List_of_search_engines

PERSI (PERiodical Source Index) access requires a paid subscription to FindMyPast, a UK genealogy site.
https://www.findmypast.com/persi

Genealogical Search Engine Tool
http://genealogyintime.com/tools/genealogy-search-engine.html

Genealogy Surname Web
http://www.surnameweb.org/