@misc{Warschauer_Adolf_Das,
 author={Warschauer, Adolf},
 howpublished={online},
 publisher={A. W. Kafemann},
 language={ger},
 language={lat},
 title={Das Wappen und das Banner von Danzig},
 type={książka},
 keywords={Gdańsk - historia, heraldyka, herb Gdańska},
}