Library of Congress Classification:Class H, subclass HE -- Transportation and Communications
Subclass HE: Transportation and Communications is a classification used by the Library of Congress Classification system under Class H -- Social Sciences. This article describes subclass HE.
HE
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1-9990..........Transportation and communications
- 199-199.5..........Freight (General)
- 199.9..........Passenger traffic (General)
- 305-311..........Urban transportation
- 323-328..........Transportation geography. Trade routes
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331-380..........Traffic engineering. Roads and highways. Streets
- 369-373..........Traffic surveys (General)
- 374-377..........Bridges
- 379-380..........Tunnels. Vehicular tunnels
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380.8-971..........Water transportation
- 380.8-560..........Waterways
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561-971..........Shipping
- 730-943..........Merchant marine. Ocean shipping. Coastwise shipping
- 1001-5600..........Railroads. Rapid transit systems
- 5601-5725..........Automotive transportation (Including trucking, bus lines, and taxicab service)
- 5746-5749..........Stage lines
- 5751-5870..........Ferries
- 5880-5990..........Express service
- 6000-7500..........Postal service. Stamps. Philately
- 7511-7549..........Pneumatic service
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7601-8700.9..........Telecommunication industry. Telegraph
- 8660-8688..........Wireless telegraph. Radiotelegraphy
- 8689-8700.95..........Radio and television broadcasting
- 8701-9680.7..........Telephone industry
- 9713-9715..........Cellular telephone services industry. Wireless telephone industry
- 9719-9721..........Artificial satellite telecommunications
- 9723-9737..........Signaling
- 9751-9756..........Messenger service
- 9761-9900..........Air transportation. Airlines