Photograph of Trier Cathedral, Trier, Germany, circa 1919.Inscription on album page: "Old Roman church at Treves (Trier)."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of Trier Cathedral, Trier, Germany, circa 1919.Inscription on album page: "Roman church -- Treves."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of unidentified aircraft, possibly De Havilland D.H.4s, in flight, circa 1916-1919.Inscription on album page: "First Liberty formation."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of six unidentified German aircraft in flight, circa 1914-1918.Inscription on album page: "Boche ships."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.