US National Archives
Nara: Presidential Election Laws: Presidential Election Laws
Check out this site from the National Archives and Records Administration on the US Constitution and the United States Code for laws and provisions regarding presidential elections.
Library of Congress
Loc: Today in History: January 23: Poll Tax: Twenty Fourth Amendment Ratified
A brief description of the history of the poll tax and the passing of the 24th Amendment to abolish it. With primary sources accompanying the text and links to other resources.
PBS
Pbs Teachers: 1963 March on Washington and Its Impact (Lesson Plan)
A lesson plan that examines the events and conditions that led to the 1963 March on Washington and the impact of the march on civil rights in the United States. Students learn about the concept of "separate but equal" and the philosophy...