@book{99631,
	author = {Heintze, Albert,},
	title = {Die Deutschen Familiennamen, geschichtlich, geographisch, sprachlich},
	publisher = {Project Gutenberg,},
	year = {2019},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-02-01},
	url = {https://www.gutenberg.org/ebooks/58804}
}