Santomasso, Eugene: "Joseph Hoffmann's Reliefs at the Beethoven Exhibition of the Vienna Sezession, 1902: Beginnings of Abstraction." Materials published: 1981-1982

Santomasso, Eugene: "Joseph Hoffmann's Reliefs at the Beethoven Exhibition of the Vienna Sezession, 1902: Beginnings of Abstraction." Materials published: 1981-1982, Box: ALFSN030, Folder: 12. Anthony Alofsin Archive, ALFSN. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/87737 Accessed September 25, 2026.