Hili Perlson (2016). Luxembourg Freeport Director David Arendt Quits. ArtNet News. 16 December.
Associated Press (2016). Italy Recovers 3 Paintings Seized During World War II. ABC United States. 18 April.
John Letzing (2015). Oligarchs and Orchestras: Inside Luxembourg's Secretive Low-Tax 'Fortress of Art' Warehouse. The Wall Street Journal. 21 September.