@book{44120,
	author = {Crofts, Freeman Wills,},
	title = {The Pit-Prop Syndicate},
	publisher = {Project Gutenberg,},
	year = {1999},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Pit-Prop_Syndicate},
	url = {https://www.gutenberg.org/ebooks/2013}
}