8640 - Additional Regulations Governing the Exportation of Articles and
          Materials Described in Certain Proclamations of the President
          Signed: January 15, 1941
          Federal Register page and date: 6 FR 455, January 17, 1941
          Amended by: EO 8668, February 4, 1941; EO 8693, February 25,
          1941; EO 8694, February 25, 1941; EO 8702, March 4, 1941; EO
          8703, March 4, 1941