Books:

Aron. Democracy and Totalitarianism (1968, in French 1965);

Beck. Power in the Global Age (2005, in German 2002);

Bottomore. Political Sociology (1979);

     -     Elites and Society, 2ed. (1993);

Bourdieu. Language and Symbolic Power (1991, in French 1982);

Downs, Anthony. An Economic Theory of Democracy (1957);

Duverger, Maurice. 1954. Political Parties, Their Organization and Activity in the Modern State. New York: Wiley.

Epstein, L. D. Political Parties in Western Democracies (1966);

Esping-Andersen. Social Class, Social Democracy and State Policy: Party Policy and Party Decomposition in Denmark and Sweden (1980); 

Giddens. Beyond Left and Right: The Future of Radical Politics (1994);

     -     The Third Way: The Renewal of Social Democracy (1998);

     -     The Third Way and Its Critics (2000);

Gramsci. Prison Notebooks (Volumes 1, 2 & 3) (2011, in Italian 1947);

Held. Models of Democracy (1987);

Horkheimer, and Adorno. Dialectics of Enlightenment (1972, in German 1947).

Huntington. The Third Wave: Democratization in the Late Twentieth Century (1991);

Lijphart. Democracy in Plural Societies: A Comparative Exploration (1977);

     -     Democracies: Patterns of Majoritarian & Consensus Government in Twenty-one Countries (1984);

     -     Electoral Laws & Their Political Consequences (1986);

     -     Parliamentary versus Presidential Government (1992); 

     -     Electoral Systems and Party Systems: A Study of Twenty-Seven Democracies 1945–1990 (1994);

     -     Institutional Design in New Democracies (1996);  

     -     Patterns of Democracy: Government Forms & Performance in Thirty-six Countries (1999);

Linz. Problems of Democratic Transition and Consolidation: Southern Europe, South America, and Post-Communist Europe (1996);

     -     Totalitarian and Authoritarian Regimes (2000).

Lipset. Political Man (1960);

     -     Party Systems and Voter Alignments: Cross-National Perspectives (1967);

Lukács. History and Class Consciousness (1971, in German 1923);

Mainwaring, Scott P. Rethinking Party Systems in the Third Wave of Democratization: The Case of Brazil (1999);

Mannheim. Ideology and Utopia (1936, in German 1929); 

Michels. Political Parties: A Sociological Study of the Oligarchial Tendencies of Modern Democracy (2016, in Italian 1911);

Miliband. Parliamentary Socialism: A Study in the Politics of Labour (1961);

     -     The State in Capitalist Society (1969);

     -     Capitalist Democracy in Britain (1982);

     -     Class Power and State Power (1983);

Mills. The Power Elite (1956);

Piven. Why Americans Don’t Vote (1988);

     -     Labor Parties in Postindustrial Societies (1992);

     -     Why Americans Still Don't Vote: And Why Politicians Want it That Way (2000);

Sartori, Giovanni. Parties and Party Systems: A Framework for Analysis (1976);

Schmitt, K. The Crisis of Parliamentary Democracy. (1985, in German 1923);

Therborn. What Does the Ruling Class do When it Rules?: State Apparatuses and State Power under Feudalism, Capitalism and Socialism (1978);

Tilly. The Contentious French (1986);

Tönnies. Community and Society (2021, in German 1887);

Ware, A. Political Parties and Party Systems (1996);

Weber Max. Economy and Society: A New Translation (2019, in German 1922a);

Wilensky. Rich Democracies: Political Economy, Public Policy, and Performance (2002);

Wuthnow. The Restructuring of American Religion (1988).