Part of the Frick Collection Archives Repository
Pennsylvania - Pittsburgh - Clayton - Air Raid Warden Headquarters, 1942, Box: 19, Folder: 11. Frick Family Photographs, FFP.05. Frick Collection Archives.
Pennsylvania - Pittsburgh - Clayton - Air Raid Warden Headquarters, 1942, Box: 19, Folder: 11. Frick Family Photographs, FFP.05. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/13230 Accessed December 03, 2025.
