If it's folklore you want it's folklore you get! This work starts out as a slightly dry, historical look at the druids, before becoming almost a completely different work which combines a bit of Masonic and Catholic pagan symbolism (the kind you find on the 'weird' side of the internet) with then-modern folklore both in and out of the British Isles. Considering the dedication...
This little work is a fairly brief primer on the basics of Celtic spiritual systems. It goes into the division of the Druid priesthood in the pagan era, among other things, and correlates the development of the religious beliefs there with the advancement of contemporary culture. Altogether it's a very good work, although a few of the tenets it espouses have been largely forsaken...
This short but coherent work was penned back in one of my favorite eras and styles of literature- the academic theory and archaeological/historical thought of that happy period during the rampant social upheaval of the early technological era- with its tintypes, early moving pictures, and obsession with tombs and temples.
Divided into multiple sections, it has a bit of linguistics,...