We would like to thank all individuals and institutions listed below for their aid in the creation of the corpus:

• the Wolne Lektury library
• Digital National Library Polona
• Digital Libraries and Knowledge Platforms Department of the Network Services Department – Poznań Supercomputing and Networking Center
• prof. dr hab. Janusz S. Bień
• Iwona Maciejewska
• prof. dr hab. Wacław Walecki and publishing house Collegium Columbinum
• Katarzyna Zawilska
• Wojciech Żółtak