1. The classic statement of this argument is William E. Odom, ‘A Dissenting View of the Group Approach to Soviet Politics’, World Politics, 28 (July 1976) 542–67.
2. Donald A. Schon, Displacement of Concepts (London, 1963).
3. The only reference to Schon’s work by a Sovietologist I have encountered is Richard D. Little, ‘Communist Studies in a Comparative Framework’, in Frederic J. Fleron (ed.), Communist Studies and the Social Sciences (Chicago, 1969) 94–111. Little touts the advantages of Schon’s notion of concept extension, not specifically for the analysis of pluralism but for the comparison of Soviet and Western politics in general.
4. The most complete treatment of the pluralist movement in British and American philosophy is Jean Wahl, Pluralist Philosophies of England and America (London, 1925).
5. For representative examples of such commentaries, see Henry Mayer Magid, English Political Pluralism (New York, 1941);