ProQuest History Vault consists of manuscript and archival collections digitized in partnership and from a wide variety of archival institutions.
- Workers, Labor Unions, and the American Left in the 20th Century: Federal Records
- Labor Unions in the U.S., 1862-1974: Knights of Labor, AFL, CIO, and AFL-CIO
- Students for a Democratic Society, Vietnam Veterans Against the War, and the anti-Vietnam War Movement (1958-1981)
- Revolutionary War and Early America: Collections from the Massachusetts Historical Society (Available in November)
Trial ends: November 14, 2019