@misc{Kaspar_Heinrich_Hein_Libertas,
 author={Kaspar Heinrich Hein},
 howpublished={online},
 language={ger},
 language={lat},
 title={Libertas ordinum Lusaticorum},
 keywords={12 w., 13 w., 14 w., 15 w., 16 w., 17 w., 18 w., 19 w.},
}