Early history: c 500 to c 1450/1500 4 Museology & heritage studies 4 Classical texts 3 Literary studies: classical, early & medieval 3 Early modern history: c 1450/1500 to c 1700 2 General & world history 2 History of art: Byzantine & Medieval art c 500 CE to c 1400 2 Medieval history 2 Ancient history: to c 500 CE 1 Ancient religions & mythologies 1 Archaeological science, methodology & techniques 1 Archiving, preservation & digitisation 1 Art treatments & subjects 1 Church history 1 Conservation, restoration & care of artworks 1 Ecological science, the Biosphere 1 Environmental archaeology 1 European history 1 Historical & comparative linguistics 1 Historical geography 1 History of medicine 1 History of science 1 Literary studies: c 1500 to c 1800 1 Literary studies: poetry & poets 1 Middle Eastern history 1 Military history 1 Norse religion & mythology 1 Oral history 1 Poetry 1 Sufism & Islamic mysticism 1