Intellectual freedom Censorship 7 History 6 Academic freedom 5 Social aspects 5 Freedom of information 4 Political aspects 4 Education, Higher 3 General 3 Intellectual life 3 Libraries 3 Politics and culture 3 Freedom of expression 2 Freedom of speech 2 Intellectuals 2 Libraries and society 2 Library science 2 Moral and ethical aspects 2 Philosophy 2 Political activity 2 Political correctness 2 Politics and government 2 School libraries 2 Social conditions 2 Social justice 2 Social life and customs 2 Universities and colleges 2 20th century history: c 1900 to c 2000 1 Academic libraries 1 Administration 1