The 54th Massachusetts Regiment in the Civil War (poster)
Harriet Tubman, ca. 1868 (poster)
World War II recruiting, 1943 (poster)
World War I recruiting, 1918 (poster)
National March on Washington for Lesbian and Gay Rights, 1987 (poster)
Shirley Chisholm campaign, 1972 (poster)
Abraham Lincoln, 1863 (poster)
The Emancipation Proclamation
World War II Office of War Information (OWI), 1943 (poster)
Paul Revere's engraving of the Boston Massacre, 1770 (poster)
World War I, 1918 (poster)
Frederick Douglass, 1855 (poster)
Placard from sanitation worker's strike in Memphis, Tennessee, 1968 (poster)
Raising the US flag on Iwo Jima, 1945 (poster)
Placard from April 8, 1968, march in Memphis, Tennessee (poster)
Phillis Wheatley, 1773 (poster)
World War I recruiting poster, 1918
Paul Revere's engraving of British troops in Boston Harbor, 1768
