@misc{Boyneburg_Johann_Christian_von_(1622-1672)_Propositio,
 author={Boyneburg, Johann Christian von (1622-1672)},
 howpublished={online},
 language={lat},
 title={Propositio Legati Serenissimi Ducis Neoburgici : Serenissimæ Reipub Poloniæ, Magniq[ue] Ducatus Lithu. Proceres & Ordines},
 type={starodruk},
}