9 Antiquities 4 History 3 Foreign relations 2 Eastern question (Balkan) 2 Economic conditions 2 Excavations (Archaeology) 1 Capitals (Cities) 1 Cities and towns 1 Civilization 1 Coins, Greek 1 Coins, Islamic 1 Coins, Roman 1 Congresses 1 Education, Secondary 1 Historiography 1 Iron age 1 Islamic cities and towns 1 Pottery, Prehistoric 1 Relations 1 Steden 1 Straits 1 Trojan War 1 Troy (Extinct city) 1 Vocational education