URI
Notation
656
Caption
Transport and postal services. Traffic organization and control
Application Note
Details of characteristics of transport and postal equipment by 62-1/-9
See also
338.48Tourism
347.8Laws of air, space, ether
629Transport vehicle engineering
Broader class
65  Communication and transport industries. Accountancy. Business management. Public relations
Narrower classes
656.1/.5Land transport
656.6Transport by water
656.7Transport by air. Air traffic
656.8Postal services and administration