Ships 64 History 61 Emigration and immigration 32 Registers of births, etc 20 Naval operations 18 Immigrants 16 Genealogy 15 more ... Shipping 15 Passenger lists 12 Merchant marine 10 German Americans 9 Ship captains 8 Sources 8 Vital records 7 Commerce 6 Foreign relations 6 Irish Americans 6 Passenger ships 6 Law and legislation 5 Sailing ships 5 Ship registers 5 Steamboat lines 5 Bibliography 4 History, Naval 4 Privateering 4 Registers 4 Warships 4 Armed merchant ships 3 Convict ships 3 Histoire 3 Personal narratives 3 Prisoners 3 Prisoners and prisons 3 Railroads 3 Shipbuilding 3 Slave trade 3 Slavery 3 Biography 2 Boats 2 British Americans 2 less ...