The materials come from the Jagiellonian Digital Library
- Title of the photo: Title of the publication: 1. Alexander the Polish king confirms the privileges 2. Kaziemierz, the king of Poland, confirms his privileges to his subjects/
Search for: [Source = Gołąb Stanisław. Ustawa o prawie autorskim z 29 marca 1926 r. z materjałami. Kraków\: 1928, 112–25.]
