1. See, for example, George Lichtheim, The Concept of Ideology and Other Essays (New York: Vintage, 1967);
2. Martin Seliger, Ideology and Politics (London: Allen and Unwin, 1976);
3. Bhikhu Parekh, ‘Social and political thought and the problem of ideology’, in Robert Benewick, Knowledge and Belief in Politics (London: Allen and Unwin, 1973).
4. Noted by Lichtheim, Concept of Ideology, p. 154; and by Alvin W. Gouldner, The Dialectic of Ideology and Technology (New York: Seabury Press, 1976) pp. 11ff.
5. Cf. Hans Barth, Wahrheit und Ideologie (Zürich, 1945).