Cigler, Allan, and John Mark Hansen .1983. "Group Formation Through Protest: The American Agriculture Movement." In Allan J. Cigler and Burdett A. Loomis, eds., Interest Group Politics. Washington, D.C. : Congressional Quarterly Press.
2.
Clark, Peter B., and James Q. Wilson .1961. "Incentive Systems: A Theory of Organizations." Administrative Science Quarterly6 (September): 129-66.
3.
Dahl, Robert A.1961. Who Governs?New Haven: Yale University Press.
4.
Drew, Elizabeth.1983. Politics and Money: The New Road to Corruption . New York: Macmillan.
5.
Hansen, John Mark. 1985. "The Political Economy of Group Membership ." American Political Science Review79 (March): 79-96.
6.
Lowi, Theodore J.1979. The End of Liberalism, 2nd ed. New York: Norton.
7.
Malbin, Michael, ed. 1984. Money and Politics in the United States. Chatham, NJ: Chatham House.
8.
Marsh, David.1976. "On Joining Interest Groups." British Journal of Political Science6 (July): 257-72.
9.
Moe, Terry M.1980. The Organization of Interests. Chicago : University of Chicago Press.
10.
Olson, Mancur, Jr. 1968. The Logic of Collective Action. New York: Schocken. _. 1982. The Rise and Decline of Nations. New Haven: Yale University Press.
11.
Salisbury, Robert H.1969. "An Exchange Theory of Interest Groups." Midwest Journal of Political Science13 (February): 1-32.
12.
Salisbury, Robert H.1984. "Soaking and Poking Among the Movers and Shakers: Quantitative Ethnography in the K Street Corridors." Paper delivered at American Political Science Association Meeting.
13.
Schlozman, Kay Lehman, and John T. Tierney .1983. "More of the Same: Washington Pressure Group Activity in a Decade of Change." Journal of Politics45 (May): 351-77.
14.
Truman, David B.1971. The Governmental Process, 2nd ed. New York: Knopf.
15.
Walker, Jack L.1983. "The Origins and Maintenance of Interest Groups in America ." American Political Science Review77 (June): 390-406.