The conduct of the Chaco War [by David H. Zook, Jr.] Pref. by Pablo Max YnsfranDavid Hartzler Zook · First published 1960Open the Tome
Euclid's Heritage. Is Space Three-Dimensional?P. Janich, David Zook · First published 2010Open the Tome
A short history of warfareDavid Hartzler Zook · First published 1966 · Latest edition 1967Open the Tome
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