Here are some resources for studying and practicing on a Celtic polytheist path of witchcraft.
Chris Orapello and his partner, Tara-Love Maguire, are traditional witches living near the Jersey Pine Barrens. I have been a fan of their top-notch podcast for several years.
Occultist Gordon White from Tasmania manages both a blog and a high quality podcast on a range of occult themes. This is diverse good listening. Check it out.