"Astronautics--General." . . "Transporttechniek." . . "Space flight." . . . . . . "Ruimtevaart : fantasie en werkelijkheid" . . . . . . . . . "Flight into space : the facts, fancies, and philosophy"@en . . . . . "Flight into space; the facts, fancies, and philosophy" . . . . . "Flight into space. Jonathan Norton Leonard" . . "Lento avaruuteen"@fi . "al-Safar ilʹa al-kawākib" . "Flight into space : facts, fancies and philosophy" . "Flight into space : the facts, fancies and philosophy" . . . "Flight into space: the facts, fancies, and philosophy" . "Flight into space" . . . "Flight into space"@en . "Flight into space" . . . "Flight into space the facts, fancies and philosophy" . . . "Flight into Space"@en . . "Flight into Space. Facts, fancies and philosophy"@en . . . . . . . . . . . . "Ciel des hommes" . . . "Flight into space the facts, fancies, and philosophy"@en . . . . . . . . "Ruimtevaart." . . . .