https://www.ncbi.nlm.nih.gov/pubmed/24256729
http://www.bbc.co.uk/science/horizon/2002/columbus.shtml
http://www.pbs.org/saf/1406/features/dna.htm
http://www.independent.co.uk/news/world/americas/new-evidence-suggests-stone-age-hunters-from-europe-discovered-america-7447152.html
http://www.reuters.com/article/2014/02/12/us-science-native-americans-origins-idUSBREA1B1TS20140212
https://www.rt.com/news/stone-age-america-archaeologists-445/
http://www.telegraph.co.uk/news/newstopics/howaboutthat/9110838/Stone-age-Europeans-were-the-first-to-set-foot-on-North-America.html
https://archive.is/82Ox
http://beforeitsnews.com/blogging-citizen-journalism/2014/05/7000-year-old-caucasian-mummies-discovered-in-chile-2453632.html
http://science.sciencemag.org/content/342/6157/409
http://en.protothema.gr/scientists-discover-dna-proving-original-native-americans-were-white/
https://redice.tv/red-ice-radio/the-solutreans-the-first-ancient-settlers-in-north-america
https://www.youtube.com/watch?v=kNTXCMYjwEk
https://www.youtube.com/watch?v=4L-Rqgqxj3M