Social Studies

EDSITEment includes lesson plans related work world languages, history and social studies, world history, civics, government, and some literature and language arts.
The Library of congress website for teachers provides educational resources related to primary sources (original documents). This includes lesson plans, visual documents, and professional development.
The Peace Corps website for educators provides lesson plans, Publications, Classroom Correspondence (connecting with a Peace Corps Volunteer, and World Wise Speakers.