Try using one of these official headings as a SUBJECT in your search:
- Sources
- Correspondence
- Diaries
- Description and travel
- Early works
- Personal narratives
- Public opinion
- Speeches
- Caricatures and cartoons
For example, if you want primary sources about the Vietnam War, you could try:
- "Vietnam war" as KEYWORDS
- "Personal narratives" as a SUBJECT
Here is an example of how this search could be done in LibSearch:
Then you may need to limit your search to books: