"A primary source is a document, image, or artifact that provides evidence about the past. It is an original document created contemporaneously with the event under discussion. A direct quote from such a document is classified as a primary source. A secondary source is a book, article, film, or museum that displays primary sources selectively in order to interpret the past." (Robert C. Williams, The Historian's Toolbox: A Student's Guide to the Theory and Craft of History, p.58 ). Examples include:
The Asia Primary Sources subject research guide provides additional information about primary sources, including: