George Washington's secret six : the spy ring that saved the American Revolution /Author: Kilmeade, Brian.
Publisher: New York, N.Y. : Sentinel,
Date: 2014. This title can be found in 9 Iowa libraries.
Invisible ink : spycraft of the American Revolution /Author: Nagy, John A.
Publisher: Yardley, PA : Westholme,
Date: c2010. This title can be found in 2 Iowa libraries.
Nathan Hale : courageous spy /Author: Koestler-Grack, Rachel A.,
Publisher: Philadelphia : Chelsea House,
Date: c2006. This title can be found in 1 Iowa libraries.
"One life to lose for my country" : the arrest and execution of Nathan Hale /Author: Cefrey, Holly.
Publisher: New York : Rosen Central Primary Source,
Date: 2004. This title can be found in 1 Iowa libraries.
Nathan Hale : patriot and martyr of the American Revolution /Author: Krizner, L. J.
Publisher: New York : PowerPlus Books,
Date: 2002. This title can be found in 6 Iowa libraries.
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