Cary, M. (1967) A History Of Rome: Down To The Reign Of Constantine. St.Martin's Press, 2nd edition.
Cronin, Thomas E. (1989). Direct Democracy: The Politics Of Initiative, Referendum, And Recall. Harvard University Press. Despite the author's bias against direct democracy, the book is a good read for the issues, personalities, and organizations in the Progressive period of the Reform Era.
Cyber-Federalist, Number 14 (2002). Creating The Illusion Of Legitimacy. This is an issue treatment that shows the significance of participation to legitimacy in a polity that centers on participation. It results in a statement of what legitimacy is not, in such polities.
Finley, M.I. (1973). Democracy Ancient And Modern. Rutgers University Press.
Gerber, Elisabeth R. (1999). The Populist Paradox: Interest Group Influence And The Promise Of Direct Legislation. Princeton University Press.
Gerber, Elisabeth R. (2000). Stealing The Initiative: How State Government Responds To Direct Democracy. Prentice Hall.
Goodwyn, Lawrence (1976). Democratic Promise: The Populist Moment In America. Oxford University Press.
Goodwyn, Lawrence (1978). The Populist Moment: A Short History Of The Agrarian Revolt In America. Oxford University Press. This is an abridged version of Professor Goodwyn's 1976 book. Its "Introduction" is a must-read.
Kobach, Kris W. (1993). The Referendum: Direct Democracy In Switzerland. Dartmouth Publishing Company. Kobach's title is somewhat misleading. In addition to Switzerland, he discusses direct democracy in many countries, as well as in California.
Magleby, David B. (1984). Direct Legislation: Voting On Ballot Propositions In The United States. Johns Hopkins University Press.
Miller, Joshua I. (1991) The Rise And Fall Of Democracy In Early America, 1630--1789: The Legacy For Contemporary Politics Pennsylvania State University Press.
Polybius (c.150 BCE). The Histories. Oxford University, The Great Histories Series, Ed., Hugh R. Trevor-Roper and E. Badian. Translated by Mortimer Chanbers. Washington Square Press, Inc (1966).
Schmidt, David D. (1989). Citizen Lawmakers: The Ballot Initiative Revolution. Temple University Press.
Tillian, Laura (c. 1977) Direct Democracy: An Historical Analysis Of The Initiative, Referendum, And Recall Process. People's Lobby.
Waters, M. Dane (2001). The Battle Over Citizen Lawmaking. Carolina Academic Press.
Willard, Joseph (1858). Willard Memoir; or Life And Times Of Major Simon Willard. Phillips, Sampson, And Company (Boston). Simon Willard was a co-founder of Concord, Massachusetts, in 1635. From the town's first winter, 1635-1636, its representative government used referenda to decide political issues.
Zimmerman, Joseph F. (1984). Participatory Democracy: Populism Revived. Praeger.
Zimmerman, Joseph F. (March 1999). The New England Town Meeting: Democracy In Action. Praeger Publishers.
Zimmerman, Joseph F. (December 1999). The Initiative: Citizen Law-Making. Praeger Publishers.
Zimmerman, Joseph F. (2001). The Referendum: The People Decide Public Policy. Praeger Publishers.
