Jerry Brotton (2. april 2006). «The great British art swindle». The Sunday Times. Arkivert frå originalen 2. desember 2016. «Some people know that this is perhaps the finest, and certainly what the royal palaces website proudly calls "the largest private collection of art in the world".»
Jerry Brotton (2. april 2006). «The great British art swindle». The Sunday Times. Arkivert frå originalen 2. desember 2016. «Some people know that this is perhaps the finest, and certainly what the royal palaces website proudly calls "the largest private collection of art in the world".»