Debunking the Black Irish Myth: https://archive.is/y8Je6
Eurasians that provided the foundation for the genomes of modern Europeans, not niggers: https://web.archive.org/web/20240303000535/https://www.sciencenews.org/blog/science-ticker/dna-37000-year-old-human-hints-early-european-history
Niggers contain certain types of Neanderthal DNA that have not been found in European or Asian racial groups: https://archive.is/ClQet
Populations genetically related to present-day Europeans first appeared in Europe at some point after 38,000-40,000 years ago: https://web.archive.org/web/20240107020636/https://pubmed.ncbi.nlm.nih.gov/37872416/
The Hidden History of the Human Race: https://archive.org/details/forbidden-archeology-the-hidde-michael-a.-cremo
Edit: Galatians are mentioned in the bible, not the Gauls directly. It seems the Galatians were from Anatolia, but I have no idea if they were related to the Gauls in any way.