7 books
The Case for Compulsory Military Service...
Infant Perdition in the Middle Ages
Democracy and Military Service; An Abbreviated Translation of the Arm E Nouvelle
The Main Illusions of Pacificism
A Strong Army in a Free State; A Study of the Old English and Modern Swiss Militias
Social Life in Britain from the Conquest to the Reformation
From St. Francis to Dante; A Translation of All That Is of Primary Interest in the Chronicle of the Franciscan Salimbene; (1221-1288) Together with Notes and Illustrations from Other Medieval Sources