Primary sources are materials that are eyewitness accounts or as close to the original source as possible.
Please note that a book is simply a format. You can find both primary and secondary sources published in book form.
Secondary sources are interpretations and analyses based on primary sources.
For example, an autobiography is a primary source while a biography is a secondary source.
Typical secondary sources include:
Please note that a book is simply a format. You can find primary and secondary sources published in book form.
Often secondary and primary sources are relative concepts. Typical secondary sources may be primary sources depending on the research topic.