The ‘Universitas’ Society of Authors and Publishers of Scholarly Papers and the Polish Academy of Sciences – the publishers of the book, Die mittelalterlichen Glasmalereien in der Stadtpfarrkirche Mariä Himmelfahrt in Krakau – wish to express their apologies to the translator of the book into German, Ms Ewa Górbiel, for not having provided an express statement that the texts in German printed on the book’s dust jacket, its cover and on pp. 1–12, 529–551 as well as captions to illustrations were not translated by her.