| Title | Mentor Graham, the New Salem schoolmaster who helped Lincoln to learn surveying. |
| Date | 1925 |
| Source | Sandburg, Carl. Abraham Lincoln The Prairie Years. New York: Harcourt, Brace and Company, 1925. |
| Creator | Sandburg, Carl |
| Category | People |
| Type | Painting/Drawing/Etching/Other |
| Permission | Northern Illinois University |
| Themes | || Lincoln's Biography |
