"He adds that Nazis who encountered reluctant sellers threatened to confiscate the art or arrest the owner.Birgit Schwarz, an expert on the "Führermuseum", in her review of Löhr's book, pointed out that the author focused on the purchases which were held in the "Führerbau" in Munich and ignored the deposits of looted art in Upper Austria in Thürntal, Kremsmünster and Hohenfurt/Vyssi Brod.