Primary sources provide first-hand observations or direct evidence concerning a topic under investigation. They are created by witnesses or recorders at or near the time of the event. They have not been filtered through further interpretation or evaluation.
Primary sources may include
* Information provided by University of California Merced Library
Secondary sources are works that analyze, assess or interpret a historical event, era or phenomenon. They may use primary sources to to write a review, critique or interpretation often well after the event.
Secondary sources may include
* Information taken from University of California Merced Library
Tertiary Sources are those used to identify and locate primary and secondary sources.
Tertiary sources may include
* Information taken from University of California Merced Library