Iran 36 History 26 Politics and government 23 Islam 17 Islam and politics 15 Foreign relations 13 Islam and state 10 Civilization 7 Sufism 7 United States 6 Biography 4 Civilization, Islamic 4 Folklore 4 Political prisoners 4 Relations 4 Religious life and customs 4 Description and travel 3 Ulama 3 Alam, Asadollah 2 Artisans 2 Diaries 2 Drug abuse 2 Drug utilization 2 Economics 2 Egypt 2 Encyclopedias 2 Functional foods 2 Geology 2 Guilds 2 Intellectual life 2