Primary sources are materials that are eye witness accounts or as close to the original source as possible. They include:
- What people say.
They are usually Speeches, Interviews and Conversations, and they may be captured in Videos, Audio Recordings, or transcribed into text.
- What people write.
These include Autobiographies, Memoirs, Personal Journals and Diaries, Letters, Emails, Blogs, Twitter Feeds, etc.
- Images and Videos.
- Statistics and Data.
- Opinion Polls and Surveys.
- Maps.
- Government Documents.
- Laws, Court Cases and Decisions, Treaties.
- Newspapers.
Please note that a book is simply a format. You can find primary and secondary sources published in book form.
