 | United States. U.S. Congress. House. Committee on interstate and foreign commerce - 1938 - 492 str.
...interest, and the public convenience and necessity, respectively, to require, among other things — (a) The encouragement and development of an air transportation...and domestic commerce of the United States, of the Postal Service, and of the national defense; (b) The regulation of air transportation in such manner... | |
 | United States. Congress. House. Committee on Interstate and Foreign Commerce - 1938 - 488 str.
...interest, and the public convenience and necessity, respectively, to require, among other things — (a) The encouragement and development of an air transportation...and domestic commerce of the United States, of the Postal Service, and of the national defense; (b) The regulation of air transportation in such manner... | |
 | United States - 1938 - 64 str.
...public convenience and necessity — (a) The encouragement and development of an air-transportation system properly adapted to the present and future...and domestic commerce of the United States, of the Postal Service, and of the national defense ; [PUB. 706.] (b) The regulation of air transportation... | |
 | United States. Congress. House. Committee on Interstate and Foreign Commerce - 1939 - 974 str.
...public convenience and necessity — "(a) The encouragement and development of an air-transportation .system properly adapted to the present and future...and domestic commerce of the United States, of the Postal Service, and of the national defense ; "(b) The regulation of air transportation in such a manner... | |
 | United States. Congress. House. Committee on Interstate and Foreign Commerce - 1939 - 984 str.
...public convenience and necessity — "(a) The encouragement and development of an air-transportation system properly adapted to the present and future...and domestic commerce of the United States, of the Postal Service, and of the national defense ; "(b) The regulation of air transportation in such a manner... | |
 | Theodore Wesley Graske - 1939 - 664 str.
...the public convenience and necessity: (a) The encouragement and development of an air-transportation system properly adapted to the present and future...and domestic commerce of the United States, of the Postal Service, and of the national defense; (b) The regulation of air transportation in such manner... | |
 | United States. Congress. House. Merchant Marine and Fisheries - 1939 - 278 str.
...other things. "The encouragement and development of an air-transportation system properly adpated to the present and future needs of the foreign and domestic commerce of the United States, of the Postal Service, and of the national defense; the regulation of air transportation in such manner as... | |
 | United States. Congress. House. Committee on Merchant Marine and Fisheries - 1939 - 272 str.
...other things. "The encouragement and development of an air-transportation system properly adpated to the present and future needs of the foreign and domestic commerce of the United States, of the Postal Service, and of the national defense; the regulation of air transportation in such manner as... | |
 | United States. Congress. House. Committee on Interstate and Foreign Commerce - 1939 - 1974 str.
...public convenience and necessity — "(n) The encouragement and development of an alr-trans]x>rtation system properly adapted to the present and future needs of the foreign and domestic commerce of the United Slates, of the Postal Service, and of the national defense : "(c) The promotion of adequate,... | |
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The encouragement and development of an air transportation system properly adapted to the present and future needs of the foreign and domestic commerce of the United States, of the Postal Service, and of the national defense... 
