Legal history 19 European history 15 History of the Americas 11 linguistics 11 Early modern history: c 1450/1500 to c 1700 7 Modern history to 20th century: c 1700 to c 1900 6 General & world history 5 Peru 4 Social & cultural history 4 20th century history: c 1900 to c 2000 3 Asian history 3 Constitution: government & the state 3 History 3 History: specific events & topics 3 Language 3 Literature & literary studies 3 Society & social sciences 3 The arts 3 Media studies 2 Medical & healthcare law 2 Philosophy 2 Philosophy & theory of education 2 Political science & theory 2 Population & demography 2 Sociology 2 21st century history: from c 2000 - 1 Adult education, continuous learning 1 African history 1 Ancient history: to c 500 CE 1 Australian Aboriginal languages 1