@book{60997,
	author = {McMurry, Charles A.},
	title = {The Elements of General Method, Based on the Principles of Herbart},
	publisher = {Project Gutenberg,},
	year = {2006},
	address = {Salt Lake City, UT :},
	note = {Release date is 2006-10-29},
	url = {https://www.gutenberg.org/ebooks/19659}
}