This primary source comes from the Records of the Commission of Fine Arts.
National Archives Identifier:
518224Full Citation: Ford's Theatre in Lincoln's time. Washington, DC; 1871-1880; General Photographic File of the Commission of Fine Arts, ca. 1910 - 1950; Records of the Commission of Fine Arts, Record Group 66; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/fords-theatre-washington-dc, May 2, 2024]