1. Reprinted from Senate Doc. No. 39. Fifty-fourth Congress, second session.
  2. Reprinted from Senate Document No. 79, Fifty-fourth Congress, second session.
  3. Reprinted from Senate Doc. No. 79, Fifty-fourth Congress, second session.
  4. Reprinted from Senate Doc. No. 84, Fifty-fourth Congress, second session.
  5. Reprinted from Senate Doc. No. 104, Fifty-fourth Congress, second session.
  6. Reprinted from Senate Doc. No. 120, Fifty-fourth Congress, second session.