Part of the Frick Collection Archives Repository
Pennsylvania - Pittsburgh - Union Arcade Building - Construction (1916 April-June), Box: 23, Folder: 3. Frick Family Photographs, FFP.05. Frick Collection Archives.
Pennsylvania - Pittsburgh - Union Arcade Building - Construction (1916 April-June), Box: 23, Folder: 3. Frick Family Photographs, FFP.05. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/13275 Accessed January 23, 2025.
