Good introduction to primary sources: definition, difference with secondary sources, uses, strengths and weaknesses, and other issues.

How to distinguish primary from secondary sources, from the University of California, Santa Cruz University Library.

Why study history through primary sources. Compelling reasons on the use of primary sources.

A summary of the main reasons for using primary sources.

Another set of reasons for using primary sources.

Persuasive reasons for using primary sources in teaching history, from the National Archives and Records Administration of the U.S. government (as preserved in the Internet Archive).

An online lesson which explores the use of primary sources in teaching.

* http://www.youthsource.ab.ca/teacher_resources/ps_overview.html

Comprehensive guide on the use of primary resources from the Alberta Online Encyclopedia. Includes sections on using primary sources in the classroom, types of resources, how to read primary and secondary sources, and links to websites on Canadian history primary sources.

* http://chnm.gmu.edu/worldhistorysources/index.html

Using primary sources in teaching world history, from the Center for History and New Media of George Mason University. Includes section on finding primary sources, unpacking evidence, analyzing documents, and 16 case studies in teaching world history using primary sources.