@book{98124,
	author = {Freimark, Hans,},
	title = {Ein livländisch Herz: Katharina I. von Russland; geschichtlicher Roman},
	publisher = {Project Gutenberg,},
	year = {2018},
	address = {Salt Lake City, UT :},
	note = {Release date is 2018-06-09},
	url = {https://www.gutenberg.org/ebooks/57293}
}