Human ancestors (study)
| Artist: | Nicholas Roerich |
| Style: | Art Nouveau (Modern) |
| Genre: | genre painting |
| Date: | 1911 | Copyright: | Public domain |
| Artist: | Nicholas Roerich |
| Style: | Art Nouveau (Modern) |
| Genre: | genre painting |
| Date: | 1911 | Copyright: | Public domain |