@misc{_G._[1926],
 editor={Kartographische Anstalt G. Freytag & Berndt},
 copyright={Public Domain},
 address={Wien},
 journal={G. Freytag & Berndt Autostrassenkarten},
 howpublished={online},
 year={[1926]},
 publisher={Kartogr. Anstalt G. Freytag & Berndt},
 language={ger},
 language={eng},
 language={fre},
 language={pol},
 title={G. Freytag & Berndt Autostrassenkarten. Blatt 6, Königsberg = G. Freytag & Berndt cartes routières. Feuillet 6, Königsberg = G. Freytag & Berndt auto road maps. Sheet 6, Königsberg},
 keywords={road maps, East Prussia},
}