Is it a Primary or Secondary Source?
| Subject |
Primary |
Secondary |
| Art and Architecture |
Painting by Georgia O'Keefe |
Article critiquing art piece |
| Physical/Life Sciences |
Jane Goodall's Autobiography |
Meg Greene's: Jane Goodall: a Biography |
| Engineering/Physical Sciences |
Patent |
NTIS database |
| Humanities |
Letters by Martin Luther King, Jr |
Web site on King's writings |
| Social Sciences |
Notes taken by clinical psychologist |
Magazine article about the psychological condition |
| Performing Arts |
Movie filmed in 1942 |
Biography of the director |
From https://lib.guides.umd.edu/researchusingprimarysources
