Many of the Primary Source collections listed provide tools or resources useful to those developing instructional units, as well as to their students. For example, the Gale Primary Sources collections each link to Learning Tools which include tips on searching, suggested research topics, and information on citing primary sources.
Some additional resources that may be useful include:
TPS Collective -- offers webinars and other learning opportunities, a bibliography of resources on teaching with primary sources, case studies, lesson plans, assessment tools and more.
Getting Started with Primary Sources (Library of Congress) -- offers teachers' guides including teaching remotely using primary sources, citation and copyright guidance.
ACRL Guidelines for Primary Source Literacy
ACRL Rubric for Primary Source Literacy (can be used for evaluating student assignments)
"Primary sources are the raw materials of history — original documents and objects that were created at the time under study. They are different from secondary sources, accounts that retell, analyze, or interpret events, usually at a distance of time or place." (Library of Congress, "Getting Started with Primary Sources" (https://www.loc.gov/programs/teachers/getting-started-with-primary-sources/)
The Primary Sources available through Gale include: