The German journalist Piotr Heller published on Jan 5, 2020, an article in the renowned German Newspaper Frankfurter Allgemeine Sonntagszeitung on “The files of Dr. Tsirogiannis”, providing an overview on the important work of Dr. Tsirogiannis with the identification of illicit antiquities put up for auction in the biggest auction houses.

You can find a pdf of the German article here.