...of the Proceedings. ' ete " of prose ~ Power to send for before the Commission, may invoke the aid of any court of the United States in requiring the attendance and testimony of witnesses and the production of books, papers, and documents under the provisions of mis section. tain...

...commission shall have power to require the attendance of witnesses and the production of all books, papers, contracts, agreements and documents relating to any...investigation, and to that end may invoke the aid of any court of this state in requiring the attendance of witnesses and the production of all books, papers, contracts,...

...of this act CuT" Commission shall have power to require, by subpoena, the attendance and testimony of witnesses and the production of all books, papers,...documents relating to any matter under Investigation. '•Such at'endance of witnesses, and the production of such documrntarv evidence, : may be required...

...require the attendance of witnesses and the production of all books, papers, contracts, agreements aud documents relating to any matter under investigation, and, to that end, may invoke the aid of any of the courts of this State in requiring the attendance of witnesses and the production of books, papers...

...to a subpoena the Commission, or any party to a proceeding before the Commission, may invoke the aid of any court of the United States in requiring the attendance and testimony of witnesses and the production of books, papers, and documents, under the provisions of this section....

...have power to require, by subpctua, the attendance and testimony of witnesses and the production r*f all books, papers, tariffs, contracts agreements,...documents, relating to any matter under investigation. Such attendance of witnesses, and the production of such documentary evidence, may be required from...

...have power to require the attendance and testimony of witnesses and documents and papers and books relating to any matter under investigation, and to that end may invoke the aid of any court of the United States to require the attendance and testimony of witnesses and the production of books,...

...others to answer questions. The Interstate Commerce Act empowered the Commission to " invoke the aid of any court of the United States in requiring the attendance and testimony of witnesses and the production of books, papers, and documents," etc.; and the act provided for an order...

...and for the purposes of this act the board shall have power to require the attendance and testimony of witnesses, and the production of all books, papers,...investigation, and to that end may invoke the aid of any of the district courts in this state, or of the supreme court, in requiring the attendance ami testimony...

...purposes of this act the Commission shall have power to require, by subpoena, the attendance and testimony of witnesses and the production of all books, papers,...documents relating to any matter under investigation. Opinion of thc Court. " Such attendance of witnesses and the production of such documentary evidence,...