The Genographic Project- https://genographic.nationalgeographic.com/genographic/index.html

World Haplogroups
Y-DNA: http://www.kerchner.com/haplogroups-ydna.htm
MtDNA: http://www.kerchner.com/haplogroups-mtdna.htm
 

European Pre-History News - http://www.newnation.org/NNN-prehistory.html

European SubClades - http://www.eupedia.com/europe/origins_haplogroups_europe.shtml#Subclades
 

The Indo-European Super Family of Languages - http://www.biblemysteries.com/library/indoeuropean.htm
 

Making of the African Mtdna Landscape: http://www.africandna.com/ScienPapers/The_Making_of_the_African_mtDNA_Landscape.pdf