"Primary sources are the raw materials of history — original documents and objects which were created at the time under study. They are different from secondary sources, accounts or interpretations of events created by someone without firsthand experience." Library of Congress
Adapted from Primary, Secondary and Tertiary Sources, by Sotheby's Institute of Art New York Library, licensed under (CC BY-SA 4.0)
Secondary Sources are written after something has happened. This information includes interpretations and evaluations of primary information such as a history book based on primary historical sources, a scientific report based on experimental notes, or a critique of a poem, play, or piece of literature.
