Keynotes by Niall Ferguson https://www.cassis.uni-bonn.de/medien/videos/b3cada33d42a https://www.cassis.uni-bonn.de/@@site-logo/308565-st-original.jpg Keynotes by Niall Ferguson External Video-URL https://youtu.be/RvO6Dudq0Nk Preview-Image Search Engine Exclude no