It [universal suffrage] is found among populations placed on different rungs of the social ladder. I have had occasion to see its effects in diverse places and among races of men whom language, religion, or mores render almost strangers to one another.
Alexis de Tocqueville
An article on voter-id laws and race
The Suffrage Amendments
Register to Vote
League of Women Voters
Voter ID Laws, A Survey by NCSL
Election Assistance Commission