- National Archives and Records Administration. Office of Presidential Libraries. Harry S. Truman Library. 4/1/1985-
- Harry S. Truman Library
Caption: These joists at the northeast corner of the Red Room were uncovered during the renovation of the White House. The joists were cut into and weakened apparently to provide space for the pipes to the bathroom of Room 20 above.
- Photographic Print
- Building repair and reconstruction