History 33 Periodicals 9 Biography 7 Foreign relations 6 Revolution, 1918-1923 5 Education 4 Islamic movements 4 Islamic propagation 4 Politics and government 4 Turkey 4 Bibliography 3 1919- 2 Architecture, Ottoman 2 Civilization 2 Congresses 2 Folklore 2 Handicraft 2 Islamic architecture 2 Ottoman Empire, 1288-1918 2 Public administration 2 1805-1849 1 1858-1911 1 1911-1916 1 1919-1923 1 1923- 1 19th century 1 20th century 1 Agriculture 1 Antiquities 1 Arab countries 1