Proclamations No. 2423, 54 Stat. 2737, September 12, 1940; 2453, 55 Stat. 1607, January 10, 1941; 2428, 54 Stat. 2743, September 30, 1940; 2449, 54 Stat. 2768, December 10, 1940; 2451, 54 Stat. 2770, December 20, 1940; 2456, 55 Stat. 1610, February 4, 1941; 2460, 55 Stat. 1614, February 25, 1941; 2461, 55 Stat. 1615, February 25, 1941; 2463, 55 Stat. 1617, March 4, 1941; 2464, 55 Stat. 1618, March 4, 1941; 2465, 55 Stat. 1619, March 4, 1941; 2468, 55 Stat. 1622, March 27, 1941; 2475, 55 Stat. 1629, April 14, 1941; 2476, 55 Stat. 1630, April 4, 1941; 2482, 55 Stat. 1639, May 10, 1941; 2497, 55 Stat. 1657, July 17, 1941, considerably extended the list of materials and products which might not be exported without license.
All of the foregoing Proclamations were issued under the Act to expedite the strengthening of the national defense of the United States.
[332] Id.
[333] 56 Stat. 463, June 30, 1942, Sec. 6 (a).
[334] Id., Sec. 6 (b).
[335] 63 Stat.
[336] Id., Sec. 2.
[337] 65 Stat. 692, October 30, 1951.
[338] 55 Stat. 810, December 17, 1941.
[339] 63 Stat. 7, 1949, Sec. 3 (a).