"United States. Civil Aeronautics Administration." . . "Realm of flight, presenting practical information about weather in relation to the piloting of private aircraft" . . . . . . . . . "Realm of flight : presenting practical information about weather in relation to the piloting of private aircraft"@en . "Realm of flight : presenting practical information about weather in relation to the piloting of private aircraft" . . . "Realm of flight; presenting practical information about weather in relation to the piloting of private aircraft"@en . . . . . . . . . . "Realm of Flight. Presenting practical information about weather in relation to the piloting of private aircraft. By George Sidney Stanton"@en . "Realm of Flight. Presenting practical information about weather in relation to the piloting of private aircraft. By George Sidney Stanton" . . . . . .