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 Marc Lagen from John [last name illegible], circa 1917-1919. Congratulates Lagen on his commission, recommends a friend (Lieutenant Adrian M. Butcher) to look up in Garden City, New York, and reports departure to Washington D.C. to be a…
Letter to Marc Lagen from Chief of Adjusted Compensation Division, United States Veterans Bureau, January 1, 1925. Issues Adjusted Service Certificate and $1384 in compensation. One typed page.
Letter to Stars and Stripes editor from Marc Lagen, October 27, 1918. Forwards an article written by one of the Balloon men (article not included). One typed page.
Typed captions for images in Box 1, Folder 3 of the Marc A. Lagen Collection, dated December 20, 1934. The images depict U.S. Army Air Service activities and wartime images in France during World War I, circa 1918. One typed page.
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.
Map overlay of an unknown aerial image, marking the location of batteries in the Verdun region of France, September 5, 1917.Inscription: "Battery of Photo #- - - - After being camouflaged. Verdun Region. Sept. 5, 1917. 2600m f:50."