Literature & literary studies 5 Revolutions, uprisings, rebellions 4 Russian Revolution 4 Social & political philosophy 4 Socialism & left-of-centre democratic ideologies 4 linguistics 4 Media studies 3 Revolutionary groups & movements 3 Copyright law 2 Marxism & Communism 2 Music industry 2 Music recording & reproduction 2 Phonetics, phonology 2 20th century history: c 1900 to c 2000 1 Business ethics & social responsibility 1 Cultural studies 1 Economic theory & philosophy 1 European history 1 History 1 History of ideas 1 Individual actors & performers 1 Jewish studies 1 Language 1 Language acquisition 1 Management: leadership & motivation 1 Office & workplace 1 Performance art 1 Philosophy 1 Political ideologies 1 Social & cultural history 1