@book{30297,
	author = {Wäber, Alexander and J. F. Lehmanns Verlag (Monachium)},
	title = {Preußen und Polen :},
	publisher = {J. F. Lehmann's Verlag,},
	year = {1907.},
	address = {München :},
	url = {https://pbc.gda.pl/dlibra/publication/100211}
}