:I think the second would qualify as a reliable source, actually - while it's self-published, the author appears to have been published in the topic area by reputable organizations.    
 ::You have a point in that the author is a member of the Folklore Society, although he seems to be otherwise self-taught (his background appears to be in relatively unrelated fields). However, in this case it's probably best a question of: do we need this information here? It just seems to briefly repeat what we have in the article. The link only seems to serve to advertise the author's site.