Subjects: army (sorted by quantity of books)
- Confederate States of America. Army 2 books
- United States. Army. Infantry -- Drill and tactics 2 books
- Confederate States of America. Army. Georgia Infantry Regiment, 1st (1861-1865) 2 books
- Salvation Army -- Drama 2 books
- Australia. Australian Army. Australian Imperial Force (1914-1921) 2 books
- Confederate States of America. Army. Kentucky Brigade, 1st 2 books
- Great Britain. Army. Lancers, 17th -- History 2 books
- United States. Army -- Military life -- History -- 19th century 2 books
- Confederate States of America. Army of Northern Virginia -- Biography 2 books
- United States. Army -- Officers -- Biography 2 books
- Great Britain. Army. Northumberland Fusiliers 2 books
- United States. Army. Signal Corps -- Juvenile fiction 2 books
- Great Britain. Army -- Colonial forces -- India -- Juvenile fiction 2 books
- United States. Army. Massachusetts Infantry Regiment, 32nd (1862-1865) 2 books
- United States. Army. Colored Infantry Regiment, 33rd (1864-1866) 2 books
- United States. Army. South Carolina Volunteers, 1st (1862-1864) 2 books
- United States. Army -- Officers' handbooks 2 books
- Great Britain. Army. Royal Regiment of Artillery 2 books
- United States -- History -- Civil War, 1861-1865 -- Regimental histories -- Army of the Cumberland 2 books
- Great Britain. Army -- Infantry -- Drill and tactics 2 books
- United States. Army. Massachusetts Infantry Regiment, 1st (1861-1864) 2 books
- Great Britain. Army. Irish Guards -- History 2 books
- Confederate States of America. Army. Morgan's Cavalry Division 2 books
- United States. Army. Air Service -- Fiction 2 books
- United States. Army. New York Cavalry Regiment, 2nd (1861-1865) 2 books