@book{111752,
	author = {Whitehead, Alfred North,},
	title = {An enquiry concerning the principles of natural knowledge},
	publisher = {Project Gutenberg,},
	year = {2023},
	address = {Salt Lake City, UT :},
	note = {Release date is 2023-06-23},
	url = {https://catalog.hathitrust.org/Record/001483670}
}