Decimal Classification 61 Education 12 Philosophy 8 History 7 Civilization, Modern 5 Classification 5 Intercultural communication 5 East and West 4 Multiculturalism 4 Philosophy, Comparative 4 Philosophy, Modern 4 Biotechnology 3 Literature 3 Albania 2 Art and society 2 Buddhism 2 Consolidation and merger of corporations 2 Ethics 2 History Theory 2 History and criticism 2 Information technology 2 International relations 2 Letters 2 Literacy 2 Literary Criticism 2 Mass media 2 Material culture 2 Microbiology 2 Pictures 2 Plant Pathology 2