[536] House Concurrent Resolution No. 24, August 21, 1937, 50 Stat. 1113.
[537] 53 Stat. 811, June 7, 1939, Sec. 7 (a).
[538] 61 Stat. 24, March 29, 1947, Sec. 1 (c).
[539] 67 Stat. 408, August 7, 1953, Sec. 4.
[540] Id., Sec. 9 (a) (6).
[541] 64 Stat. 435, August 10, 1950, Sec. 3 (b).
[542] 52 Stat. 436, May 23, 1938, Secs. 1, 2.
[543] Id.
[544] 56 Stat. 351, June 11, 1942.
[545] Id., Sec. 2.