(Yaryna Melianchuk, Lviv Polytechnic National University, 2021; Special thanks to the Center for Urban History of East Central Europe in Lviv)
Internet Sources
uma.lvivcenter.org: Ski jumping hill in Kaiserwald (Lviv; 1930-1939)
uma.lvivcenter.org: Ski jumping hill in Kaiserwald (Lviv; 1935-1939)