Horniatko-Szumiłowicz, Anna. “Inherited Memories: Olga Hoffmann a.k.A. Tkachuk Brings Back the Memory of Her Father”. Slavica Wratislaviensia 173 (October 7, 2020): 221–232. Accessed July 18, 2024. https://wuwr.pl/swr/article/view/12255.