- Kedzie-Grace Post Office Bas Relief - Chicago ILThis aluminum bas relief titled "Mercury" was created by Peter Paul Ott with funding from the Treasury Section of Fine Arts.
- Lane Tech College Prep Bas Reliefs - Chicago ILAmong several other New Deal artworks at the Lane Tech High School are these carved mahogany bas-reliefs in the school library. These 15' x 6' reliefs were carved by sculptor Peter Paul Ott, with assistance from wood workers Conzelman, Meuzenmeier, Sarner, Ericksen and McGrory. The reliefs were completed between 1936 and 1938 with support from the WPA Federal Art Project.