Photograph of a Salmson 2 A2 aircraft (fuselage number 4) of the 90th Aero Squadron, U.S. Army Air Service, in flight, circa 1917-1919.Inscription on album page: "Salmson. French and U.S. observation plane."Part of Album One from the Nancy Harkness…
Photograph of a Salmson 2 A2 aircraft (fuselage number 4) of the 90th Aero Squadron, U.S. Army Air Service, in flight near an observation balloon, circa 1917-1919. Inscription on album page: "U.S. Observation baloon [sic] and Salmson plane."Part of…
Photograph of a Royal Aircraft Factory S.E.5 aircraft (tail number 8005), circa 1916-1919. The aircraft's tail is propped up on a wooden frame. Inscription on album page: "S.E.5. British scout plane."Part of Album One from the Nancy Harkness…
Photograph of the Roman Imperial Baths in Trier, Germany, circa 1919. Inscription on album page: "Kaiser's Palace -- Treves."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of the Porta Nigra, a large Roman gate in Trier, Germany, circa 1919.Inscription on album page: "Porta Negra [sic] - Treves."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of Karl I of Austria (second from right), Kaiser Wilhelm II (third from right), and two others seated at an outdoor table, circa 1914-1918. The inscription identifies the other men as Alfred von Tirpitz and Paul von Hindenburg, but this…
Photograph of Kaiser Wilhelm II reviewing German troops, circa 1914-1918. Inscription on album page: "Kaiser reviewing troops."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of the interior of Trier Cathedral, Trier, Germany, circa 1919.Inscription on album page: "Interior Roman church at Treves. 25 minute exposure."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa…
Photograph of a pile of human bones and skulls, circa 1914-1919.Inscription on album page: "Some dead ones."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photographic group portrait of German servicemen with a captured SPAD XIII aircraft, circa 1917-1918. Inscription on album page: "Boche Squadron."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.