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.
Photograph of German servicemen moving an observation balloon by its tethers, circa 1914-1918.Inscription on album page: "Boche sausage."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of a German observation balloon and airship hangar, circa 1914-1918.Inscription on album page: "Boche baloons [sic]."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of a German observation balloon in a hangar, circa 1914-1918.Inscription on album page: "Boche baloons [sic]."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of German servicemen moving an observation balloon by its tethers, circa 1914-1918.Inscription on album page: "Boche baloons [sic]."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa 1914-1919.
Photograph of German servicemen moving an observation balloon by its tethers, circa 1914-1918.Inscription on album page: "Boche baloons [sic]."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.
Photograph of German servicemen posing with a captured SPAD XIII aircraft (fuselage number 1) of the 93rd Aero Squadron, circa 1917-1918. The squadron's "Indian head" emblem is visible on the fuselage. Inscription on album page: "Boche pilots and…
Photograph of two German servicemen dragging a machine gun across a battlefield, circa circa 1914-1918.Inscription on album page: "Boche machine gunners."Part of Album One from the Nancy Harkness Collection of World War I Photograph Albums, circa…
Photographic group portrait of members of the 12th Aero Squadron and two servicewomen in front of an infirmary building, Koblenz, Germany, January 1919. A sign on the wall reads: "Revierstube des Ersatz-Batall. Landwehr J.R. 25." Inscription on album…