IKMK – The Münzkabinett’s Online Catalogue(s) 2015–2025 - Weisser, Bernhard; Dahmen, Karsten; Freundel, Jürgen; Vondrovec, Klaus; Wienand, Johannes; Martin, Katharina; Börner, Susanne; Zäch, Benedikt (Proceedings of the XVI International Numismatic Congress, 11–16.09.2022, Warsaw, Vol. iv : Medals, Modern and General Numismatics, 2025)