@misc{_Karta_1915, copyright={Public Domain}, address={Varšava (Maršalkovskaâ 151)}, howpublished={online}, year={1915}, publisher={izdanie Fr. Karpoviča}, language={rus}, title={Karta kališskoj gubernii sostovlena soglasno novejšim dannym}, keywords={administrative maps, Kalisz Province, Kalisz Region, 20th century}, }