800 History 283 Reformation 203 Politics and government 122 Anabaptists 118 Description and travel 118 Economic conditions 118 Law and legislation 100 Dutch language 90 History and criticism 79 Colonies 79 Law 79 Social conditions 75 Diseases 72 Philosophy 70 Foreign relations 69 Dutch 67 Commerce 65 Church history 62 metabolism 61 Devotional literature, Dutch 61 Grammar 58 Missions 58 Sources 56 Agriculture 54 Dutch drama 54 Mennonites 52 Education 50 Land tenure 49 Geology 48 methods