| Artist | Nationality | Dates |
|---|---|---|
| American Illustrationist, | American | 1920s |
| American Impressionist, Unsigned | American | circa 1910 |
| American Impressionist, Unsigned, | American | 20th century |
| American Tonalist, Monogrammed | American | circa 1900 |
| Arentz, Joseph | American | 1903-1969 |
| Armstrong, William T. | American | 1881-1934 |
| Audrain, Wayne | American |