Work Details:
| Title: | Immaterial Forms |
| Creator: | Ruth Armer [American, 1896 – 1977] |
| Culture/Nationality: | American |
| Style: | Abstract Expressionist |
| Date: | 1940 |
| Location: | Smithsonian American Art Museum, Washington D.C. |
| Medium: | oil on canvas |
| Dimensions: | 66 x 97 cm |
