http://www.fairyist.com
Of course, a lot of people have looked into this topic over the years.
http://www.coasttocoastam.com/show/2014/09/01
Life, energy & consciousness might take on many more forms than what most people realize.
http://en.wikipedia.org/wiki/Fairy#Description
So depending upon ones level of interest, its up to each person to see how far they wish to look into such mysteries.
http://www.sacred-texts.com/neu/celt/wfl/wfl01.htm
http://whisperingworlds.com/fairies/fairies.php
http://www.medbherenn.com/faerie-lore.html
http://paganwiccan.about.com/od/beltanemayday/a/FaerieLore.htm
http://www.goodreads.com/book/show/1324083.The_Vanishing_People
