@misc{Brock_Peter_(1920–2006)_Piotr_1959, author={Brock, Peter (1920–2006)}, volume={4}, editor={Institute of History of the Polish Academy of Sciences}, copyright={Rights Reserved - Restricted Access}, journal={Odrodzenie i Reformacja w Polsce}, address={Warszawa}, howpublished={online}, year={1959}, language={pol}, title={Piotr Chelcický}, type={Text}, keywords={Chelčický, Petr (1390-ca 1460), Hussites}, }