[582] 63 Stat. 66, May 11, 1949, Sec. 2.

[583] 65 Stat. 365, September 28, 1951, Sec. 601.

[584] 66 Stat. 330, 334, July 3, 1952, Sec. 4.

[585] 52 Stat. 1249, June 29, 1938.

[586] 62 Stat. 1231, July 2, 1948, Sec. 4 (c).

[587] 49 Stat. 482, July 18, 1935.

[588] 50 Stat. 120, April 27, 1937.

[589] 54 Stat. 265, 297, June 11, 1940.

[590] 48 Stat. 55, May 2, 1933, Sec. 3 (d).

[591] 56 Stat. 351, 357, June 11, 1942, Sec. 12.