History 350 Indians of North America 56 Sources 24 Quakers 20 Politics and government 17 Delaware Indians 14 Pioneers 13 more ... Society of Friends 12 Frontier and pioneer life 11 Description and travel 10 Pennsylvania--History--Colonial period, ca. 1600-1775 10 Pennsylvania--History--Colonial period, ca. 1600-1775--Sources 10 Wars 10 Fortification 9 Histoire 9 Germans 8 Iroquois Indians 8 Tax collection 8 Taxation 8 Government relations 7 Societies, etc 7 Biography 6 Pennsylvania Dutch 6 Scots-Irish 6 Colonies 5 Economic conditions 5 New Sweden 5 Conestoga Indians 4 Courts 4 Emigration and immigration 4 Ethnic relations 4 Indian captivities 4 Pennsylvania--History 4 Race relations 4 Social life and customs 4 Church schools 3 Commerce 3 Education 3 Germans in Pennsylvania 3 History, Military 3 less ...