NAYLER, J.L. & OWER, E. books & textbook
La aviación al día.
Ed. Nova, 1944, Buenos Aires. - 23x15. Tela editorial con sobrecubierta 295 pgs. Ilustr. / Paperback
Railways of To-day: their evolution, equipment and operation (with suppement)
Nayler, J. L (Joseph Lawrence). Ower, E (Ernest)
London ; New York : F. Warne & Co. Ltd /1930T Hardcover
