@misc{_S.,
 howpublished={online},
 publisher={ex conatibus Joh[annis] Baptistae Homanni},
 language={lat},
 type={mapa},
 title={S. R. I. Circulus Rhenanus Superior in quo sunt Landgraviatus Hasso-Casselensis Darmstadiensis et Rhenofeldensis Abbatia Fuldendensis Principatus Waldeck et Hirschfeld. Comitatus Nassau-Weilburg Usingen Wisbaden, et idstein Solmensis Hanoviensis Isenburgensis superior Witgenstein Hatzfeld Westerburg et Hachenburg Urbes Imperiales: Franckfurt, Fridberg, Wetzlar et Gelenhausen ex conatibus [...]},
 keywords={Niemcy 18w.},
}