History 356 Antiquities 72 Excavations (Archaeology) 56 Politics and government 51 Registers of births, etc 46 Histoire 40 Sources 37 more ... Biography 34 Swedes 33 Description and travel 31 Indians of North America 31 Church records and registers 30 Genealogy 26 Boundaries 25 Church history 24 Probate records 24 Indexes 21 Wills 20 Historic buildings 19 Quakers 18 African Americans 17 Archaeology 17 Families 17 Delaware 16 Education 15 Historic sites 15 Archives 13 Canals 13 Landowners 13 Lawyers 13 Marriage records 13 Swedish Americans 13 Delaware Indians 12 Agriculture 11 Churches 11 Deeds 11 Episcopal 11 Land tenure 11 Railroad companies 11 Taxation 11 less ...