...subpoena, the attendance and testimony of witnesses, and the production of all books, papers, contracts and agreements and documents relating to any matter under investigation. Such attendance of witnesses and production of such documentary evidence may be required from any place and at any designated place...

...the Commission shall have power to require, by n?™ a y of subpoena, the attendance and testimony of witnesses and the production of all books, papers,...documents relating to any matter under investigation. commission "Such attendance of witnesses, and the production of ™c y ou'rtlto e com* such documentary...

...this act the Commission shall have the power to require, by subpoena, the attendance and testimony of witnesses and the production of all books, papers,...agreements, and documents relating to any matter under mvestigation. It is difficult to conceive how provisions can be enacted which will make it more clearly...

...provisions of the act." The commission has 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. Disobedience to such subposna is punishable as contempt. Testimony may also be taken by means of depositions....

...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, and in case of disobedience to a subpoena, the Commission, or any party to a proceeding before the...

...amended the foregoing section by inserting after the word " investigation," the words, " Such attendance of witnesses, and the production of such documentary evidence, may be required from any place in the United States, at any designated place of hearing." Detailed provision was also made for taking...

...commission may administer oaths and affirmations, examine witnesses, and receive evidence. Such attendance of witnesses, and the production of such documentary...case of disobedience to a subpoena the commission may invoke the aid of any court of the United States in requiring the attendance and testimony of witnesses...

...purposes of this act said tribunal shall have power to require by subpoena the attendance and testimony of witnesses and the production of all books, papers,...witnesses and the production of such documentary evidence as may be required from any place in the United States at any designated place of hearing. And in ease...

...purposes of this act the Commission shall have power to require, by subpcrna, the attendance and testimony of witnesses and the production of all books, papers,...documents relating to any matter under investigation. Aid of i-mirtsto Such attendance of witnesses, and the production of such compel witnesseH i . , i_...

...attendance ¡inc<ù'mèn>ur°- anc' testimony of witnesses and the production of all books. evidence papers, tariffs, contracts, agreements, and documents relating to any matter under investigation. ma^vokc'aid " Such attendance of witnesses, and the production of °f]CI>vítoe88ésOItosucn documentary...