According to the Princeton Library:
Primary |
Secondary |
An original, "firsthand" or "eyewitness" account offering an inside view. | "Secondhand" information. |
Contains new information (new at the time it was created, that is) that has not been interpreted, evaluated, paraphrased, or condensed. | Contains information that has been digested, analyzed, reworded, or interpreted and usually combines information taken from primary sources. |
Usually created during (or very close to) the time of the events on which they report. | Often written well after the events reported on; may put past information in its historical context. |
Author typically provides direct impressions of events on which they are reporting. | Author typically reports on the impressions and experiences of other people. |