@misc{Biermann_Gottlieb_(1824-1901)_Geschichte,
 author={Biermann, Gottlieb (1824-1901)},
 howpublished={online},
 publisher={K. Prochask},
 language={niemiecki},
 type={book},
 title={Geschichte des Herzogtums Teschen},
 keywords={1801-1900, Historia, Śląsk, Śląsk Cieszyński},
}