"Börtönélmény Szovjetunió." . . "Hírszerzés USA 1956-1960." . . "Espions et espionnage URSS." . . "1960" . . . . . "Operation Overflight : the U-2 spy pilot tells his story for the first time"@en . . "Operation Overflight- : the U-2 spy pilot tells his story for the first time" . . . . "Operation Overflight the U-2 spy pilot tells his story for the first time"@en . . . . "Operation overflight : the U-2 spy pilot tells his story for the first time" . . "Operation Overflight: the U-2 spy pilot tells his story for the first time" . "Operation overflight : The U-2 spy pilot tells his story for the first time" . . . . . . . . . . "Operation Overflight; the U-2 spy pilot tells his story for the first time"@en . . . . . . . "U-2, Incident du, 1960." . . . . "Espions et espionnage américains." . .