History 235 Politics and government 128 Social life and customs 125 Museums 77 Description and travel 75 American literature 69 Religion 59 more ... Forest management 58 Literature 57 Periodicals 57 History and criticism 55 Histoire 54 Encyclopedias and dictionaries 51 Social conditions 49 Environmental aspects 48 Learning and scholarship 48 Management 48 Economic conditions 47 Philosophy 47 Humanities 44 Civilization 41 Intellectual life 40 Foreign relations 37 Families 35 Curiosities and wonders 32 Underground press publications 32 Education 31 Forests and forestry 31 Ethnology 30 Kinship 30 less ...