Decimal Classification 61 Education 12 Philosophy 8 History 6 Civilization, Modern 5 Classification 5 Intercultural communication 5 East and West 4 Multiculturalism 4 Philosophy, Comparative 4 Philosophy, Modern 4 Literature 3 Buddhism 2 Ethics 2 History Theory 2 History and criticism 2 Literary Criticism 2 Microbiology 2 Religion 2 Sex role 2 Spiritual life 2 Women 2 Absorption Spectroscopy Theory 1 Advaita 1 Aesthetics 1 Agricultural processing 1 Agriculture 1 Amazon River 1 American literature 1 Animal husbandry 1