Double-sided photo block featuring Marc Lagen in uniform and a hand-colored portrait of a woman (presumably Lagen's wife, Emily Schupp, also known as Lada), circa 1910s.
Envelope from the U.S. War Department, circa 1910s-1920s. Printed with letterhead of War Department, Headquarters Eastern Department, Governors Island, New York, with handwritten label ("Personelle") on front.
Letter to Mildred Washburn from Marc Lagen, June 22, 1914. Discusses possible performance by LADA. Includes an informational leaflet about music artists under Lagen's management. Two pages.
Letter to Mildred Washburn from Marc Lagen, June 30, 1914. Determines details of performance by LADA. Includes an informational leaflet about music artists under Lagen's management. Two pages.
Photographic print of a relief map marked with towns and regions in France, circa 1914-1918.Inscription: "2e Armée Service telegraphique plans en Relief."
Photograph of an identification chart featuring various views of different military aircraft, circa 1914-1919. The pictured aircraft are, from left to right, top to bottom: Pfalz D. III (German), Albatros D.V (German), Hannover (Hannoveraner,…
Composite photograph featuring front, rear, and side images of a Fokker D.VII aircraft (tail number 2009/18), circa 1914-1919.Caption: "Fokker Biplane Scout, Type-D7."