@book{118215,
	author = {Kalma, Douwe,},
	title = {Fryslân en de wrâld},
	publisher = {Project Gutenberg,},
	year = {2025},
	address = {Salt Lake City, UT :},
	note = {Release date is 2025-12-18},
	url = {https://www.delpher.nl/nl/boeken/view?coll=boeken&identifier=MMUBL07:000002873:00003}
}