Earth science 133 Earth sciences 116 History 111 Geology 68 Religion 67 hadith 64 Philosophy 54 History and criticism 52 Climatology 48 Dissertations, Academic (Ph.D) 48 Koran and Hadith 48 Literature 47 earth science 46 Criticism 38 Earth 38 Islam 34 Novel 33 English literature 32 Earth Science 31 Economics 29 LITERARY CRITICISM / European / English, Irish, Scottish, Welsh 28 Criticism and interpretation 26 Faith 26 Hindi literature 25 Ecology 24 Meteorology 24 Women 24 Climatic changes 23 Rare earth metals 23 Religious aspects 23