@misc{Wolffgang_Johann_Georg_[Fryderyk,
 author={Wolffgang Johann Georg},
 howpublished={online},
 language={lat},
 language={ger},
 title={[Fryderyk I]},
 keywords={portrait, man, whole- length, king, german graphics, engraving, Fryderyk I (1657-1713), 18 w., 18. Jh., 18 century, Wofgang Johann Georg (1664-1744)},
}