@book{107691,
	author = {Hirn, Y.},
	title = {The origins of art; a psychological & sociological inquiry},
	publisher = {Project Gutenberg,},
	year = {2021},
	address = {Salt Lake City, UT :},
	note = {Translation of Konstens ursprung.},
	url = {https://www.gutenberg.org/ebooks/66869}
}