@book{110662,
	author = {Haas, Hippolyt Julius,},
	title = {Deutsche Nordseeküste: Friesische Inseln und Helgoland.},
	publisher = {Project Gutenberg,},
	year = {2023},
	address = {Salt Lake City, UT :},
	note = {Release date is 2023-01-29},
	url = {https://archive.org/details/deutschenordese00haas}
}