@misc{Becker_Karl_Friedrich_(1777-1806)_Historya_1888, author={Becker, Karl Friedrich (1777-1806)}, address={Warszawa}, howpublished={online}, year={1888}, publisher={nakł. Księgarni H. Olawskiego}, publisher={(Warszawa : druk A. Pajewskiego)}, language={pol}, title={Historya powszechna. T. 12}, }