- Official documents, including court records, government reports, and treaties
- Eyewitness accounts, such as diaries, journals, and letters
- Artifacts, such as tools, clothing, and buildings
- Works of art, such as paintings, sculptures, and music
- Oral histories, such as interviews and audio recordings
Secondary Sources
- Textbooks, encyclopedias, and academic articles
- Biographies, memoirs, and autobiographies
- Documentaries, news articles, and other forms of media
- Interpretations of primary sources, such as historical accounts and analyses
In general, primary sources are considered to be more reliable than secondary sources, as they provide firsthand evidence of an event or period. However, secondary sources can also be valuable, as they can provide context and analysis of primary sources.