The National Watch and Clock Library is one of the world's pre-eminent libraries devoted to horology and is located in Columbia, Pennsylvania, USA.
National Football League | National Register of Historic Places | National Hockey League | England national football team | Library of Congress | National Basketball Association | National Science Foundation | National Geographic | National Trust | National Endowment for the Arts | National Geographic Society | Argentina national football team | National Trust for Places of Historic Interest or Natural Beauty | National Park Service | National League | Australian National University | National Guard | National Geographic Channel | National Institutes of Health | American Library Association | National Guard of the United States | National Collegiate Athletic Association | United States National Research Council | National Portrait Gallery | National Academy of Sciences | Indian National Congress | United States men's national soccer team | National Research Council | Royal National Theatre | National Gallery of Art |