American Association for State and Local History (AASLH)
American Council of Learned Societies (ACLS)
American Historical Association (AHA)
American Memory (Library of Congress)
California Council for History Education (CCHE)
California Council for the Social Studies (CCSS)
California History-Social Science Project (CH-SSP)
California State Archives
Histor eSearch.com
National Archives and Records Administration (NARA)
National Center for History in the Schools (NCHS)
National Council for History Education (NCHE)
National Council for the Social Studies (NCSS)
National Council on Public History (NCPH)
National History Day
National History Education Clearinghouse
National Park Service
National Register of Historic Places
Organization of American Historians (OAH)
Schools of California Online Resources for Education (SCORE)