1935: Announcement of December Number's contents (including HHH). Architect and Engineer 123 (Oct. 1935).

1935: Announcement of December Number's contents (including HHH). Architect and Engineer 123 (Oct. 1935)., Box: HHH046, Folder: 14. Harwell Hamilton Harris collection, HHH. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/34439 Accessed September 26, 2026.