Microdata from the 1851 population census are freely available through the North Atlantic Population Project.
Atlantic Ocean | North Carolina | North America | Atlantic | North Rhine-Westphalia | North Korea | North Yorkshire | Atlantic Records | University of North Carolina at Chapel Hill | North Island | North Sea | North Africa | North Dakota | North | Raleigh, North Carolina | Chapel Hill, North Carolina | University of North Carolina | Manhattan Project | Scarborough, North Yorkshire | Atlantic City, New Jersey | North Pole | North Vietnam | North Shore | London and North Western Railway | Atlantic City | North American Soccer League | Asheville, North Carolina | North Carolina State University | Greensboro, North Carolina | North American Free Trade Agreement |