Geopolitics 33 Literary studies: general 23 Mathematics and Science 13 Literature: history and criticism 12 European history 9 Computing and Information Technology 7 Literary studies: classical, early & medieval 7 International relations 6 India 5 Literature: history & criticism 5 Biography & True Stories 4 History of the Americas 4 Publishing industry & book trade 4 History of art 3 Humanities 3 Intellectual property law 3 Library and information sciences / Museology 3 Literary studies: poetry & poets 3 Literature & literary studies 3 Mathematics & science 3 Political science & theory 3 Political structure & processes 3 Technology: general issues 3 Ancient Rome 2 Architecture: professional practice 2 Biography and non-fiction prose 2 Byzantine Empire 2 Education 2 History and Archaeology 2 Jurisprudence & philosophy of law 2