Frasch W. Rezension von: Niederstätter, Alois, Ante Portas. Herrscherbesuche am Bodensee 839-1507. SH [Internet]. 1994 [cited 2026 Mar. 13];45(3):285-6. Available from: https://journals.wlb-stuttgart.de/index.php/sh/article/view/15174