Social Theory This link opens in a new windowSocial Theory contains the full text of some of the most influential writing in social, political, and economic thought and theory from the eighteenth century to the present day. Included in the content are important works by such theorists as Auguste Comte, Max Weber, Theodor Adorno, Jean Baudrillard, Simone de Beauvoir, Alexis de Tocqueville, Karl Marx, Emile Durkheim, Jürgen Habermas, Frederick Engels, and Michel Foucault, among many others.