Conquest of the air; the history and future of aviation.

De Leeuw, Hendrik, 1891-1977.
New York : Vantage Press, [1959, c1960]
[1st ed.]

Crossroads of the Java sea.

De Leeuw, Hendrik, 1891-1977.
New York : J. Cape & H. Smith, [1931]

Flower of joy.

De Leeuw, Hendrik, 1891-1977.
New York : L. Furman, inc., [1939]

From flying horse to man in the moon; a history of flight from its earliest beginnings to the conque

De Leeuw, Hendrik, 1891-1977.
New York : St Martin's Press, [1963]

Java jungle tales.

De Leeuw, Hendrik, 1891-1977.
London ; New York : Arco Publishers, 1956.

Woman, the dominant sex.

De Leeuw, Hendrik, 1891-1977.
New York : T. Yoseloff, [1957]