Waibel, Raimund. „Rezension Von: Lessing, Hans-Erhard; Hagemann, Harald, Robert Bosch“. Schwäbische Heimat 76, no. 3 (2025): 76–77. Zugegriffen November 11, 2025. https://journals.wlb-stuttgart.de/index.php/sh/article/view/18365.