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.
Curated OER
The 15th Amendment. Celebrated May 19th 1870.
A brief description of the 15th Amendment.
US National Archives
Our Documents: A National Initiative on American History, Civics, and Service
Our Documents is home to one hundred milestone documents that influenced that course of American history and American democracy. Includes full-page scans of each document, transcriptions, background information on their significance, and...
Annenberg Foundation
Annenberg Classroom: Voting Rights
This website contains an interactive timeline about the history of voting rights in the United States.