@misc{Opas_Tomasz_(1923–2001)_Miasta_1971, author={Opas, Tomasz (1923–2001)}, editor={Institute of History of the Polish Academy of Sciences}, copyright={Rights Reserved - Restricted Access}, address={Warszawa}, journal={Kwartalnik Historyczny}, howpublished={online}, year={1971}, publisher={Państwowe Wydawnictwo Naukowe}, language={pol}, title={Miasta prywatne a Rzeczpospolita}, type={Text}, keywords={cities and towns - Poland - 17th c., 18th c.}, }