The Art Institute of Chicago, Chicago, Illinois

1. 

   Cat. no. P 378

   Atmospheric Chair

   c. 1933
2. 

   Cat. no. P 417

   A chemist lifting with extreme precaution the cuticle of a grand piano

   1936
3. 

   Cat. no. P 457

   Invention of the Monsters

   c. 1937
4. 

   Cat. no. P 451

   Untitled. Vision of Eternity

   c. 1937