Tertiary sources generally provide an overview or summary of a topic, and may contain both primary and secondary sources. The information is displayed as entirely factual, and does not include analysis or critique.
Can also be collections of primary and secondary sources, such as databases, bibliographies and directories
Great for background and understanding historical events, people, dates. Tertiary sources help you develop ideas and lead you to primary and secondary sources
Secondary sources address or analyze events, people, works, or topics after the fact.
Author: What is the author's relationship to the material or event described? Does his or her knowledge stem from personal experience or not?
Purpose: What is the purpose of the content? Is the author interpreting previous events?
Publication Date: Is the date of the publication further away from the event described?
Primary sources are original artifacts or documents. They offer contemporary accounts from participants or people directly involved in an event.