1. Women Vote in the West: The Woman Suffrage Movement 1869–1896;Beeton,1986
2. Explanation of turnout decline: A multivariate test;Cassel;American Politics Quarterly,1981
3. Voting laws, educational policies, and minority turnout;Filer;Journal of Law and Economics,1991
4. The effect of the secret ballot on voter turnout rates;Heckelman;Public Choice,1995
5. Historical Statistics of The United States, 1975, Colonial Times to 1970, Parts I and II, Government Printing Office, Washington, DC