Ladorucki, Jacek, and Tomasz Stolarczyk. 2016. “The Need to Create ‘Biographical Dictionary of Land Łęczyca’. General Principles of the Scientific Description and Its Significance for the Region”. Acta Universitatis Lodziensis. Folia Librorum 1 (22-23):117-29. https://doi.org/10.18778/0860-7435.22.23.08.