USSR 22 Economics 9 India 5 A Short History of the USSR 4 Reporls of the academy of sciences USSR 4 Russia 4 History 3 USA 3 Agrochemistry - soils - USSR 2 Constitution Australia 2 Constitution Canada 2 Constitution China 2 Constitution France 2 Constitution Great Britain 2 Constitution Switzerland 2 Constitution USA 2 Constitution USSR 2 Constitution World 2 Europe 2 Law 2 Short history of the USSR 2 Social Sciences 2 Soviet Union 2 UK 2 A History of the USSR 1 Adult education 1 Afghanistan--Mongolia--USSR 1 Agriculture 1 Agriculture- USSR 1 Bureaucratization 1