@book{104215,
	author = {O'Leary, De Lacy,},
	title = {A Short History of the Fatimid Khalifate},
	publisher = {Project Gutenberg,},
	year = {2020},
	series = {Trübner's oriental series},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-10-06},
	url = {https://www.gutenberg.org/ebooks/63391}
}