Abstract The collection consists of a photograph album compiled by Louis de Ronge, a United States serviceman who was a member of the Fifth Cavalry Regiment of the U.S. Army. The majority of photographs were taken around 1916, and document the life and activities of the Regiment while they were stationed in Nogales, Arizona during the Pancho Villa Expedition of the Mexican Border War (1910-1919). Images in the collection are mostly captioned by de Ronge, and show various servicemembers, military...