...Court of the United States or the United States courts of any territory or possession, or the District Court of the District of Columbia, within the jurisdiction of which the investigation or proceeding is being carried on, shall have jurisdiction to issue such subpoena or...

...person [by the Commission or an authorized member of the Commission], any court of the United States within the jurisdiction of which the inquiry is carried...on or within the jurisdiction of which said person guilty of contumacy or refusal to obey is found or resides or transacts business, upon application...

...United States courts of any Territory or possession, [or the District Court of the United States for the District of Columbia.] within the jurisdiction...on or within the jurisdiction of which said person guilty of contumacy or refusal to obey is found or resides or transacts business, upon application...

...District Court of 19 the United Slates for the District of Columbia, within the jurisdiction of 20 which the inquiry is carried on or within the jurisdiction of which said 21 person guilty of contumacy or refusal to obey is found or resides or is 22 domiciled or transacts...

...District Court of 19 the United States for the District of Columbia, within the jurisdiction of 20 which the inquiry is carried on or within the jurisdiction of which said 21 person guilty of contumacy or refusal to obey is found or resides or is 22 domiciled or transacts...

...United State* court of any territory or possession, or the District Court of the United States for the District of Columbia, within the jurisdiction...is carried on or within the jurisdiction of which (aid person guilty of contumacy or refusal to obey is found or reside« or is domiciled or transacts...

...United States courts of any Territory or possession, or the District Court of the United States for the District of Columbia, within the jurisdiction...on or within the jurisdiction of which said person guilty of contumacy or refusal to obey is found or resides or transacts business, upon application...

...Court of the United States or of any Territory or possession, or the United States District Court for the District of Columbia, within the jurisdiction...or transacts business, upon the application by the Secretary of Labor or representative designated by him, shall have jurisdiction to issue to such person...

...United States court of any territory or possession, or the District Court of the United States for the District of Columbia, within the jurisdiction...on or within the jurisdiction of which said person guilty of contumacy or refusal to obey is found or resides or is domiciled or transacts business, or...

...Court of the United States or of any Territory or possession, or the United States District Court for the District of Columbia, within the jurisdiction...or transacts business, upon the application by the Secretary of Labor or representative designated by him, shall have jurisdiction to issue to such person...