Nothing in this subchapter or subchapter II of this chapter shall be deemed to amend, modify, or repeal the Acts of July 26, 1866 (
14 Stat. 251), July 9, 1870 (
16 Stat. 217), March 3, 1877 (
19 Stat. 377), June 17, 1902 (
32 Stat. 388), and December 22, 1944 (
58 Stat. 887), and Acts amendatory thereof or supplementary thereto.