Anniversaries, etc History 158 Sermons, English 75 Sermons 39 Boston Massacre, 1770 27 Religious aspects 18 African Americans 17 Gehiago ... Influence 16 Politics and government 16 Antislavery movements 14 Political aspects 13 Christianity 12 College verse, Latin 12 Government, Resistance to 11 Causes 10 Memorials 10 Slavery 9 Social aspects 9 Social conditions 9 World War, 1939-1945 9 Abolitionists 8 Collective memory 8 Festivals 8 Kings and rulers 8 Lexington, Battle of, Lexington, Mass., 1775 8 Monuments 8 Speeches, addresses, etc., American 8 Criticism and interpretation 7 Gunpowder Plot, 1605 7 Public history 7 gutxiago ...