Internet History Sourcebook (https://origin.web.fordham.edu/Halsall/mod/modsbook.asp#Introduction): A collection of primary and secondary sources from Fordham University that covers Western civilization, the Americas, and multiple time periods. This does require patience to click through because of the age of the website, but there is valuable information.
National Archives DOCS Teach (https://docsteach.org/documents): A collection of digitized sources from the Revolutionary War to the early 21st century
National History Day (https://www.archives.gov/education/history-day/online.html): A website that gets updated yearly to categorize digitized, primary sources from the National Archives
Yale University Collections (https://primarysources.yale.edu): This page includes several links to collections of primary sources both housed at Yale and published on the internet.
Tips on how to find more primary sources from Princeton University: https://libguides.princeton.edu/history/primarysources
Library of Congress Digital Collections (https://www.loc.gov/collections/?sp=9): Free access to online primary sources, including letters, drawings, sound recordings, maps, and screenshots of websites that have changed over time.
Library of Congress Chronicling America (https://www.loc.gov/collections/chronicling-america/about-this-collection/): A collection of American newspapers from 1730-1969 that can be searched and filtered through
ArchiveGrid (https://researchworks-oclc-org.ezproxy.bpl.org/archivegrid/): provides access to over 7 million archival materials from over 1,400 archives worldwide
Archive Finder (https://www.proquest.com/archivefinder/index?parentSessionId=Wo%2Bq9MWGYGlN1YsQHFn98pBqFBSsdNSbDjjIgCZ%2BxQQ%3D&accountid=9675): similar to ArchiveGrid, provides access to thousands of archives in the UK/Ireland and the US to find primary source materials for projects
Black Freedom Struggle in the United States (https://blackfreedom.proquest.com): provides primary source documents, photos, and other materials related to the fight for racial justice, both in the past and today
Gale Primary Sources (https://go-gale-com.ezproxy.bpl.org/ps/start.do?p=GDCS&u=mlin_b_bpublic&sc=newspapers): Search across nine databases of newspapers to find news stories from 1757-early 21st century
Music Online (https://search-alexanderstreet-com.ezproxy.bpl.org/amso/): check out songs from Indigenous Americans, miners, immigrants, slaves, children, cowboys, and other artists. Because they are from all different eras (Civil Rights, political campaigns, Prohibition, the Revolutionary War, the Civil War, anti-war protests, etc.), students can gain valuable insights into the anthems that unified Americans.