@book{91360,
	author = {Jones, Ernest, and Sachs, E. H.},
	title = {Der Alptraum in seiner Beziehung zu gewissen Formen des mittelalterlichen Aberglaubens :},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-11-21},
	url = {https://www.gutenberg.org/ebooks/50522}
}