@misc{Herwegg_J._(18..-19..)._Redaktor_Drogiczyn_1909,
 author={Herwegg, J. (18..-19..). Redaktor},
 copyright={Public Domain},
 address={[Wiedeń]},
 journal={Spezialkarte der österreichisch-ungarischen Monarchie 1:75.000},
 howpublished={online},
 year={1909},
 publisher={[wydawca nieznany]},
 language={ger},
 title={Drogiczyn : Zone E Col. XXVII},
 URL={http://www.rcin.org.pl/igipz/Content/152276/PDF/WA51_156373_PANC583-10-r1909_Drogiczyn-Zone-E-C.pdf},
 keywords={topographic maps, Drohiczyn region},
}