George P. Putnam: Perbedaan antara revisi

 

== Daftar pustaka ==

* Goldstein, Donald M. and Dillon, Katherine V. ''Amelia: The Centennial Biography of an Aviation Pioneer''. Washington, DC: Brassey's, 1997. ISBN 1-57488-134-5.

* Lovell, Mary S. ''The Sound of Wings''. New York: St. Martin's Press, 1989. ISBN 0-312-03431-8.

 

== Pranala luar ==

* [http://www.publicshelter.com/flygirls/prologue/george.html George Palmer Putnam]