Scheffler, Ina. „Lyonel Feininger’s Locomotives and Trains: Experiencing Materials and Colors Through Toys As Learning Materials at the Bauhaus“. Spiel|Formen (November 15, 2022): 209–224. Zugegriffen Juni 22, 2024. https://www.gamescoop.uni-siegen.de/spielformen/index.php/journal/article/view/25.