Guardian ibid The Guardian all the way back in 2007! The Guardian The Guardian Guardian "Putin, the Kremlin power struggle and the $40bn fortune" Guardian Guardian The Guardian told the Guardian Guardian Guardian newspaper Guardian "Putin, the Kremlin power struggle and the $40bn fortune" The Guardian Guardian provided by a Kremlin insider back in 2007 Guardian Guardian claimed $40 billion The Guardian Guardian el hombre más rico de Europa claimed "Putin, the Kremlin power struggle and the $40bn fortune" "Putin, the Kremlin power struggle and the $40bn fortune" "Reichster Mensch der Welt" Guardian Guardian Eerdere schattingen The Guardian came up with a figure of $40 billion in 2007 "Putin, the Kremlin power struggle and the $40bn fortune" Guardian newspaper Guardian Putin, the Kremlin power struggle and the $40bn fortune Guardian Guardian The Guardian, 21 December 2007 Guardian Guardian Guardian "Putin, the Kremlin power struggle and the $40bn fortune"