@book{28343,
	author = {Wolffen, Ansgar von and Georg D. W. Callwey (Monachium)},
	title = {Die Ostseeprovinzen Est-, Liv-, Kurland :},
	publisher = {Verlag von Georg D. W. Callwey,},
	year = {[1916].},
	series = {Flugschrift des Dürerbundes ;},
	address = {München :},
	note = {Data wydania według DNB online.}
}