"1800 - 1899" . . "Armed Forces Military life." . . "Military ethics United States History 19th century." . . "Amerikaanse burgeroorlog." . . "Ethics." . . . . "History"@en . "History" . . . . "Red-tape and pigeon-hole generals Andrew A. Humphreys in the Army of the Potomac"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Biography"@en . "Biography" . . . . . . "Red-tape and pigeon-hole generals : Andrew A. Humphreys in the Army of the Potomac" . . "Red-tape" . . . "United States. Army. Pennsylvania Infantry Regiment, 129th (1862-1863)" . . "United States. Army of the Potomac" . . "United States. Army of the Potomac." . "Military leadership." . . "Bevelvoering." . . . . "Armed Forces Management." . . "Pennsylvania" . . "Pennsylvania." . "Military ethics." . . "American Civil War (1861-1865)" . . . "United States" . . "United States." . "Regimental histories." . .