Research Paper Primary Vs Secondary Sources
Primary sources include articles that describe original research.
These sources are one or more steps removed from the event.
Secondary sources may contain pictures, quotes or graphics of primary sources.
Some types of secondary source include: Textbooks; journal articles; histories; criticisms; commentaries; encyclopedias Examples of secondary sources include: America: History and Life is the primary bibliographic reference to the history of the United States and Canada from prehistory to the present.
Historical Abstracts is a reference guide to the history of the world from 1450 to the present (excluding the United States and Canada, which are covered in America: History and Life, above).