William A. Gladstone Afro-American Military CollectionThe William A. Gladstone Afro-American Military Collection (ca. 500 items) spans the years 1773 to 1987, with the bulk of the material dating from the Civil War period, 1861-1865. Most items document African Americans in military service, especially the United States Corps d'Afrique and the United States Colored Troops, which were organized during the Civil War.