Razmig Keucheyan: Universal suffrage, a still-unfinished conquest – Verso
Map of when universal suffrage was achieved in European countries + USA (where universal suffrage exists, the right to vote is not restricted by race, sex, belief, wealth, or social status) :
Suffrage and election | PPT
Key facts about women's suffrage around the world | Pew Research Center
Universal Adult Franchise
1918 Centenary: Votes for some women and all men
Suffrage Rights in the USA: Definition, History, and Facts
Votes for children! Why we should lower the voting age to six | Politics | The Guardian
PDF) Universal Suffrage: The Century of Corrupting Incentives?
Suffrage - Wikipedia
What is Suffrage? – Pieces of History
Non-universal suffrage: measuring electoral inclusion in contemporary democracies | European Political Science
Universal suffrage does not exist: if you are a foreign national, you cannot vote – IDEES
The International History of the US Suffrage Movement (U.S. National Park Service)
What is a Democracy? Universal suffrage, where every man and woman have the right to vote regardless of class. Secret ballot must be in place to prevent. - ppt download