@book{75106,
	author = {Heer, Betsy de},
	title = {'Een vaste burg is onze God' :},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-11-09},
	url = {https://www.gutenberg.org/ebooks/34260}
}