| SUBJECT | PRIMARY | SECONDARY | TERTIARY |
| Music | Interview with Gwar | Article critiquing song | Oxford Music Online database |
| Chemistry/Life Sciences | Madame Curie diary | Monograph on Curie life | Abstract of Curies work |
| Literature | Poem by a writer | literary critique | Literary Index |
| Humanities | Letters by Martin Luther King | Web site on King's writings | Encyclopedia on Civil Rights Movement |
| Criminal Law/Court Case | Brief filed by lawyer | Newspaper article critiquing brief | Legal Collection |
| The Arts/Actor | Birth Certificate of an actor | Biography of actor | IMDb.com database about actor |
