Krajewski, Piotr. “‘White Key, Black, Black, white…’ How to Solve Musical Puzzles from the Past. Tego Lata, W Zawrociu by Hanna Kowalewska”. Acta Universitatis Lodziensis. Folia Litteraria Polonica, vol. 52, no. 1, Mar. 2019, pp. 231-48, doi:10.18778/1505-9057.52.14.