Hello! This guide explains what primary, secondary, and tertiary sources are. It includes advice for:
Defining what primary, secondary, and tertiary sources are in order to distinguish and identify sources by their characteristics.
Determining the most appropriate source type for your research need in order to provide the best possible support for your argument.
A primary/secondary/tertiary source in the humanities or social sciences will look different from a primary/secondary/tertiary source in the sciences or medicine.