@misc{Wieland_Johann_Wolfgang_(?-1736)_Principatus_1739,
 author={Wieland, Johann Wolfgang (?-1736) and Schubarth, Mattheus von (1723–1758) and Homännische Erben},
 copyright={Public Domain},
 address={Norimbergae},
 howpublished={online},
 year={1739 [i.e. 1752]},
 publisher={ab Hered. Homannianis, cum spec. S. Caes. Reg. Maj. Priv.},
 language={lat},
 title={Principatus Silesiae Schwidnicensis secundum ejus de. circulos Schweidnitz, Striegau, Bolckenhain, Landeshut & Reichenbach},
 keywords={Świdnica region, topographical maps, 18th century},
}