[en] [Gutenberg 53699] • A Code for the Government of Armies in the Field, / as authorized by the laws and usages of war on land. Createspace Independent Publishing Platform
[en] [Gutenberg 25482] • The Armed Forces Officer / Department of the Army Pamphlet 600-2 Independently Published
[en] [Gutenberg 4362] • Personal Memoirs of P. H. Sheridan, General, United States Army — Complete Createspace Independent Publishing Platform