*[http://www.americanyawp.com/index.html The American Yawp]
''The American Yawp'' is a free online textbook
that is also published by Stanford University Press and describes itself as "A Massively Collaboration Open U.S. History Textbook." Essentially it is an open-source textbook. Historians essentially modeled the textbook on the open source model that has successfully used for numerous computer programs such as Linux, Mediawiki, Wordpress, and many more. In addition to the textbook, "The American Yawp" has an outstanding [http://www.americanyawp.com/reader.html Sourcebook] that can be used to expand on topics. ----- *[https://historyexplorer.si.edu/ Smithsonian's History Explorer] The Smithsonian site includes teaching lessons, interactives, videos, museum artifacts, and other teacher resources. There is a remarkable amount of material to explore. The site also has an outstanding search function. The search function allows you to look for resources based on resources type (videos, artifacts, reference materials, etc. ), grade, historical era, and cross-curricular connections (look for resources that touch on multiple subjects such as economics, science, etc.)
* [https://edsitement.neh.gov/ EDSITEment! - National Endowment for the Humanities]
EDSITEment! is easily one of the best resources for teachers and instructors.
*[http://www.loc.gov/teachers/ Library of Congress]
PBS Media is a resource that includes videos, interactive content, and lesson plans. The site has resources for a ton beyond history and social studies. The key component of PBS Media is its wealth of videos that have been drawn from PBS. It has over 6,000 videos (K-13+) on various social studies topics for students.
* [https:// dp. la/ Digital Public Library of America]
* [https://www.oah.org/programs/teaching-tools/ Organization of American Historians Teaching Resources]
The Organization of American Historians has a number of tools for high school and college level United States history course, but the material is primarily for members of the OAH. Memberships range in price from $45 (for students), $60 (K-12 Educators), and up to $245 (income over $150,000). The membership includes access to several OAH publications and US History Teaching Units. While there is a rationale to join the OAH as if you are United States history teacher, it probably cannot be justified based solely on the materials offered by the organization.
* [https://www.historians.org/teaching-and-learning/teaching-resources-for-historians/classroom-materials/classroom-materials-united-states-history American Historical Association - Teaching Resources for Historians]