History 49 Periodicals 30 Turkish literature 25 20th century 24 Islamic theology 19 Politics and government 14 Islam 13 Turkish drama 10 Turkish poetry 10 Foreign relations 9 Biography 8 English language 8 History and criticism 8 Turkey 8 Description and travel 7 Al-Hajj 6 Arabic 6 BLANK AUTHORITY TEXT 6 Law and legislation 6 Al-Umrah 5 Bibliography 5 Education 5 Islamic propagation 5 Social life and customs 5 Turkish fiction 5 Arab countries 4 Criticism and interpretation 4 Islamic movements 4 Polyglot 4 Revolution, 1918-1923 4