*[http://freepages.genealogy.rootsweb.com/~dgarvey/DNA/hg/YCC_J.html#pref]*Haplogroup J subclades at International Society of Genetic Genealogy*Nebel et al.
* [http://freepages.genealogy.rootsweb.com/~dgarvey/DNA/hg/YCC_J.html#pref]* Haplogroup J subclades at International Society of Genetic Genealogy* Nebel et al.