This primary source comes from the Records of the Office of the Chief Signal Officer.
National Archives Identifier:
524587Full Citation: Company of Infantry on parade. Part of 6th Maine Infantry after battle of Fredericksburg. At time of the charge across stone wall at foot of Marye Heights Gen. Hooker in command of Federals, Gen. Fitz; ca. 1860 - ca. 1865; Mathew Brady Photographs of Civil War-Era Personalities and Scenes, 1921 - 1940; Records of the Office of the Chief Signal Officer, Record Group 111. [Online Version, https://docsteach.org/documents/document/company-of-infantry-on-parade-after-battle-of-fredericksburg, March 28, 2024]