Social sciences 1,089 History 962 Philosophy of Science 879 Science—Philosophy 879 Ecology  825 Humanities 725 Humanities and Social Sciences 725 Physical Chemistry 720 Physical chemistry 720 Botany 700 Plant Science 700 Environmental Management 697 Environmental management 697 Ecology 645 Astronomy, Observations and Techniques 641 Astronomy—Observations 641 Characterization and Analytical Technique 618 Materials—Analysis 618 Geology 592 Environment 590 Environmental Sciences 590 Ethics 586 Moral Philosophy and Applied Ethics 586 Mathematical physics 584 Theoretical, Mathematical and Computational Physics 539 Political science 536 Classical Mechanics 523 Logic 523 Mechanics 523 Political Science 517