EBSEES: 766 hits for Political Leaders on page 11

The European Bibliography of Slavic and East European Studies (EBSEES) collects books, journal articles, reviews and dissertations from Eastern Europe (former countries of Eastern Bloc) which were published in Belgium, Germany, Finland, France, Great Britain, the Netherlands, Austria and Switzerland from 1991 to 2007. The segment "Literature" and "Culture" of the European Bibliography of Slavic and East European Studies contains 18.000 bibliographic entries (from the total asset of 85.000). More information can be found here.

Your search for Political Leaders provides 766 hits
101	Problèmes de la révolution allemande: 1929-1931 [Trockij] Trotsky, Léon, Paris, Centre d'études et de recherches sur les mouvements trotskystes et révolutionnaires internationaux, 1990, 62 p.
102	Trotsky bibliography. A classified list of published items about Leon Trotsky and Trotskyism München etc., Saur, 1988
103	Stalin in power: the revolution from above, 1928-1941 Tucker, Robert C., New York, London, Norton 707+xix p, 1990
104	Inventory of the collection Lev Trocky and the International Left Opposition (ILO) / International Communist League (ICL), 1917-1919 (1920-1929) / 1930-1934 (-1937) Veen, H. van, Amsterdam, Stichting Beheer IISG, 1991, xi+61 p
105	Lénine aide sa nation Druon, Maurice, in: Commentaire, 60, hiver, 1992, p. 946
106	Trotsky: memoir and critique Glotz, A., Buffalo, NY, Prometheus Books, 1989
107	Trotsky reassessed Johnstone, Monty, London, Socialist History Society, 1992, 36 p.
108	Die Theorie der Nation bei Lenin Jensen, Britta, in: Marxistische Blätter, 30(6), 1992, p. 23-29
109	Lenin and the revolutionary party LeBlanc, Paul, Atlantic Highlands, NJ, Academic International Press, 1990, xxxiv+399 p
110	The state and revolution Lenin, V. I., London, Penguin, 1992, lii+122 p.

The European Bibliography of Slavic and East European Studies (EBSEES) - 1991-2007