Press release describing the donation of some 2,500 manuscripts to the Library of the Ossoliński National Institute in Lviv. As stated in the article, this is one of the largest private collections in Poland, collected by Dr Czołowski, who has now donated it to the Library. The manuscripts date as far back as the end of the 13th century (e.g. the chronicle of Marcin Polak) (Source: "Ilustrowany Kurier Codzienny", Kraków 1936, no. 146, p. 13, after: Małopolska Biblioteka Cyfrowa).