- Perspectives on History | What does it mean to think historically?
Discussion of why the 5 C's of historical thinking are important when viewing primary sources - The History Project at UC Irvine’s 6 C’s of Primary Source Analysis
Worksheet to aid in primary source analysis - Reading like a Historian (from Digital Inquiry Group)
Lessons showing how to use primary source materials in the classroom
Tertiary Sources
Tertiary Sources
These are sources that index, abstract, organize, compile, or digest other sources. Some reference materials and textbooks are considered tertiary sources when their main purpose is to list or summarize other information. Tertiary sources are usually not credited to a particular author.