Margaret Murray tried to translate her expertise on Egyptology to witchcraft, and failed miserably, although it took a long time to disprove much of her conjecture. Frazier's works has been reedited to bring it up to more in line with modern anthropological thought. The other's I don't know.
What's wanted here, real scholarship, or more psuedo pagan -witchcraft stuff. I suspect we'll soon see some more of Isoble Gowdie's poetical hexes. Michael Robinson commented on her is some detail on the Scots-L list about two months ago (I brought her up on a witchcraft thread and that started things going on her. Someone thought they might be a relative since Gowdie and Goldie are the same in Scots. It'd been 20 years since I studied witchcraft, and don't remember much.)