Welsh
http://www.pastconnect.com/sdws/ St. David’s Welsh Society, Bangor
http://www.slatebeltheritage.com/ Slate Belt Heritage Center
http://www.bangormainstreet.org/links.htm Bangor Links
http://www.bangorcork.com/about.htm - Brief History of the Slate Belt
http://www.wales-usa.org/society.html - general Welsh links
http://www.pastconnect.com/sdws/links.html - general Welsh links

Cornish
http://www.pacornish.org/cornish.htm Pennsylvania Cornwall Association
http://www.nwcornishsociety.org/cornish_links.htm