Reports on progress in physics 92 History 71 Economics 67 Philosophy 37 Marxian economics 34 Socialism 34 Hormones 32 Communism 30 PROGRESS IN INORGANIC CHEMISTRY 25 Physiology 25 Education 21 Economic development 20 Science 20 Marxism 19 Medicinal plants 19 Pharmacology and Toxicology 19 Hormone Research 18 India 18 Indian economy 18 Progress 18 Microbiology 17 Psychology 17 Chemistry 16 Politics and government 16 Biophysics-- Biology 15 Dialectical materialism 15 PROGRESS IN PHYSICAL ORGANIC CHEMISTRY 15 Recent progress in medicinal plants -- Indexes--- Medicinal plants -- Research -- Indexes-- Materia medica, Vegetable -- Research -- Indexes 15 Biography 14 Sustainable development 14